Home / 776,015.31-1,070,890.16-436,482.75

Finding the Fourth Proportional to 776,015.31, 1,070,890.16 and 436,482.75

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Solution

The fourth proportional to 776,015.31, 1,070,890.16 and 436,482.75 is: 602,340.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,015.31 : 1,070,890.16 = 436,482.75 : x
  2. Step 2: Convert to fraction form
    776,015.31/1,070,890.16 = 436,482.75/x
  3. Step 3: Cross multiply
    776,015.31x = 1,070,890.16 × 436,482.75
  4. Step 4: Simplify right side
    776,015.31x = 467,425,079,802.33
  5. Step 5: Solve for x
    x = 467,425,079,802.33/776,015.31
  6. Step 6: Final answer
    x = 602,340.02

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Half scale
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Double scale
Find fourth proportional to 776,016.31, 1,070,891.53 and 436,483.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.