Home / 708,469.68-1,061,523.24-508,490.40

Finding the Fourth Proportional to 708,469.68, 1,061,523.24 and 508,490.40

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Solution

The fourth proportional to 708,469.68, 1,061,523.24 and 508,490.40 is: 761,887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,469.68 : 1,061,523.24 = 508,490.40 : x
  2. Step 2: Convert to fraction form
    708,469.68/1,061,523.24 = 508,490.40/x
  3. Step 3: Cross multiply
    708,469.68x = 1,061,523.24 × 508,490.40
  4. Step 4: Simplify right side
    708,469.68x = 539,774,376,916.90
  5. Step 5: Solve for x
    x = 539,774,376,916.90/708,469.68
  6. Step 6: Final answer
    x = 761,887.76

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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.