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Finding the Fourth Proportional to 566,110.87, 781,234.88 and 307,987.74

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Solution

The fourth proportional to 566,110.87, 781,234.88 and 307,987.74 is: 425,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,110.87 : 781,234.88 = 307,987.74 : x
  2. Step 2: Convert to fraction form
    566,110.87/781,234.88 = 307,987.74/x
  3. Step 3: Cross multiply
    566,110.87x = 781,234.88 × 307,987.74
  4. Step 4: Simplify right side
    566,110.87x = 240,610,765,757.66
  5. Step 5: Solve for x
    x = 240,610,765,757.66/566,110.87
  6. Step 6: Final answer
    x = 425,024.10

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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.