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Finding the Fourth Proportional to 561,457.11, 842,753.36 and 497,822.70

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Solution

The fourth proportional to 561,457.11, 842,753.36 and 497,822.70 is: 747,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,457.11 : 842,753.36 = 497,822.70 : x
  2. Step 2: Convert to fraction form
    561,457.11/842,753.36 = 497,822.70/x
  3. Step 3: Cross multiply
    561,457.11x = 842,753.36 × 497,822.70
  4. Step 4: Simplify right side
    561,457.11x = 419,541,753,109.27
  5. Step 5: Solve for x
    x = 419,541,753,109.27/561,457.11
  6. Step 6: Final answer
    x = 747,237.40

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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.