Home / 776,464.40-1,071,520.40-436,932.96

Finding the Fourth Proportional to 776,464.40, 1,071,520.40 and 436,932.96

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Solution

The fourth proportional to 776,464.40, 1,071,520.40 and 436,932.96 is: 602,967.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,464.40 : 1,071,520.40 = 436,932.96 : x
  2. Step 2: Convert to fraction form
    776,464.40/1,071,520.40 = 436,932.96/x
  3. Step 3: Cross multiply
    776,464.40x = 1,071,520.40 × 436,932.96
  4. Step 4: Simplify right side
    776,464.40x = 468,182,580,072.38
  5. Step 5: Solve for x
    x = 468,182,580,072.38/776,464.40
  6. Step 6: Final answer
    x = 602,967.22

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Double scale
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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.