Home / 779,975.54-1,169,815.38-380,214.26

Finding the Fourth Proportional to 779,975.54, 1,169,815.38 and 380,214.26

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Solution

The fourth proportional to 779,975.54, 1,169,815.38 and 380,214.26 is: 570,249.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,975.54 : 1,169,815.38 = 380,214.26 : x
  2. Step 2: Convert to fraction form
    779,975.54/1,169,815.38 = 380,214.26/x
  3. Step 3: Cross multiply
    779,975.54x = 1,169,815.38 × 380,214.26
  4. Step 4: Simplify right side
    779,975.54x = 444,780,489,043.32
  5. Step 5: Solve for x
    x = 444,780,489,043.32/779,975.54
  6. Step 6: Final answer
    x = 570,249.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.