Home / 763,131.40-1,053,125.40-476,817.52

Finding the Fourth Proportional to 763,131.40, 1,053,125.40 and 476,817.52

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Solution

The fourth proportional to 763,131.40, 1,053,125.40 and 476,817.52 is: 658,010.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,131.40 : 1,053,125.40 = 476,817.52 : x
  2. Step 2: Convert to fraction form
    763,131.40/1,053,125.40 = 476,817.52/x
  3. Step 3: Cross multiply
    763,131.40x = 1,053,125.40 × 476,817.52
  4. Step 4: Simplify right side
    763,131.40x = 502,148,641,477.01
  5. Step 5: Solve for x
    x = 502,148,641,477.01/763,131.40
  6. Step 6: Final answer
    x = 658,010.72

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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.