Home / 747,982.56-1,032,304.40-421,306.24

Finding the Fourth Proportional to 747,982.56, 1,032,304.40 and 421,306.24

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Solution

The fourth proportional to 747,982.56, 1,032,304.40 and 421,306.24 is: 581,452.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,982.56 : 1,032,304.40 = 421,306.24 : x
  2. Step 2: Convert to fraction form
    747,982.56/1,032,304.40 = 421,306.24/x
  3. Step 3: Cross multiply
    747,982.56x = 1,032,304.40 × 421,306.24
  4. Step 4: Simplify right side
    747,982.56x = 434,916,285,299.46
  5. Step 5: Solve for x
    x = 434,916,285,299.46/747,982.56
  6. Step 6: Final answer
    x = 581,452.44

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1.5x scale

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.