Home / 763,141.40-1,053,139.20-476,827.52

Finding the Fourth Proportional to 763,141.40, 1,053,139.20 and 476,827.52

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Solution

The fourth proportional to 763,141.40, 1,053,139.20 and 476,827.52 is: 658,024.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,141.40 : 1,053,139.20 = 476,827.52 : x
  2. Step 2: Convert to fraction form
    763,141.40/1,053,139.20 = 476,827.52/x
  3. Step 3: Cross multiply
    763,141.40x = 1,053,139.20 × 476,827.52
  4. Step 4: Simplify right side
    763,141.40x = 502,165,752,950.78
  5. Step 5: Solve for x
    x = 502,165,752,950.78/763,141.40
  6. Step 6: Final answer
    x = 658,024.52

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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.