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Finding the Fourth Proportional to 585,020.30, 877,530.45 and 485,293.10

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Solution

The fourth proportional to 585,020.30, 877,530.45 and 485,293.10 is: 727,939.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,020.30 : 877,530.45 = 485,293.10 : x
  2. Step 2: Convert to fraction form
    585,020.30/877,530.45 = 485,293.10/x
  3. Step 3: Cross multiply
    585,020.30x = 877,530.45 × 485,293.10
  4. Step 4: Simplify right side
    585,020.30x = 425,859,472,424.90
  5. Step 5: Solve for x
    x = 425,859,472,424.90/585,020.30
  6. Step 6: Final answer
    x = 727,939.65

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Similar ratio
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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.