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Finding the Fourth Proportional to 566,550.14, 781,842.17 and 311,901.32

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Solution

The fourth proportional to 566,550.14, 781,842.17 and 311,901.32 is: 430,425.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,550.14 : 781,842.17 = 311,901.32 : x
  2. Step 2: Convert to fraction form
    566,550.14/781,842.17 = 311,901.32/x
  3. Step 3: Cross multiply
    566,550.14x = 781,842.17 × 311,901.32
  4. Step 4: Simplify right side
    566,550.14x = 243,857,607,589.02
  5. Step 5: Solve for x
    x = 243,857,607,589.02/566,550.14
  6. Step 6: Final answer
    x = 430,425.47

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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.