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Finding the Fourth Proportional to 565,135.27, 779,883.55 and 307,010.17

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Solution

The fourth proportional to 565,135.27, 779,883.55 and 307,010.17 is: 423,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,135.27 : 779,883.55 = 307,010.17 : x
  2. Step 2: Convert to fraction form
    565,135.27/779,883.55 = 307,010.17/x
  3. Step 3: Cross multiply
    565,135.27x = 779,883.55 × 307,010.17
  4. Step 4: Simplify right side
    565,135.27x = 239,432,181,265.70
  5. Step 5: Solve for x
    x = 239,432,181,265.70/565,135.27
  6. Step 6: Final answer
    x = 423,672.34

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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.