Home / 472,472.92-652,000.86-257,617.18

Finding the Fourth Proportional to 472,472.92, 652,000.86 and 257,617.18

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Solution

The fourth proportional to 472,472.92, 652,000.86 and 257,617.18 is: 355,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,472.92 : 652,000.86 = 257,617.18 : x
  2. Step 2: Convert to fraction form
    472,472.92/652,000.86 = 257,617.18/x
  3. Step 3: Cross multiply
    472,472.92x = 652,000.86 × 257,617.18
  4. Step 4: Simplify right side
    472,472.92x = 167,966,622,910.78
  5. Step 5: Solve for x
    x = 167,966,622,910.78/472,472.92
  6. Step 6: Final answer
    x = 355,505.29

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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.