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Finding the Fourth Proportional to 710,285.70, 1,070,223.76 and 586,694.91

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Solution

The fourth proportional to 710,285.70, 1,070,223.76 and 586,694.91 is: 884,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,285.70 : 1,070,223.76 = 586,694.91 : x
  2. Step 2: Convert to fraction form
    710,285.70/1,070,223.76 = 586,694.91/x
  3. Step 3: Cross multiply
    710,285.70x = 1,070,223.76 × 586,694.91
  4. Step 4: Simplify right side
    710,285.70x = 627,894,832,553.06
  5. Step 5: Solve for x
    x = 627,894,832,553.06/710,285.70
  6. Step 6: Final answer
    x = 884,003.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.