Home / 713,753.46-1,070,910.41-314,113.91

Finding the Fourth Proportional to 713,753.46, 1,070,910.41 and 314,113.91

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Solution

The fourth proportional to 713,753.46, 1,070,910.41 and 314,113.91 is: 471,294.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,753.46 : 1,070,910.41 = 314,113.91 : x
  2. Step 2: Convert to fraction form
    713,753.46/1,070,910.41 = 314,113.91/x
  3. Step 3: Cross multiply
    713,753.46x = 1,070,910.41 × 314,113.91
  4. Step 4: Simplify right side
    713,753.46x = 336,387,849,219.68
  5. Step 5: Solve for x
    x = 336,387,849,219.68/713,753.46
  6. Step 6: Final answer
    x = 471,294.18

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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.