Home / 914,310.16-1,371,555.42-315,192.52

Finding the Fourth Proportional to 914,310.16, 1,371,555.42 and 315,192.52

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Solution

The fourth proportional to 914,310.16, 1,371,555.42 and 315,192.52 is: 472,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,310.16 : 1,371,555.42 = 315,192.52 : x
  2. Step 2: Convert to fraction form
    914,310.16/1,371,555.42 = 315,192.52/x
  3. Step 3: Cross multiply
    914,310.16x = 1,371,555.42 × 315,192.52
  4. Step 4: Simplify right side
    914,310.16x = 432,304,009,149.46
  5. Step 5: Solve for x
    x = 432,304,009,149.46/914,310.16
  6. Step 6: Final answer
    x = 472,819.87

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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.