Home / 942,301.80-1,412,934.30-409,732.20

Finding the Fourth Proportional to 942,301.80, 1,412,934.30 and 409,732.20

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Solution

The fourth proportional to 942,301.80, 1,412,934.30 and 409,732.20 is: 614,372.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,301.80 : 1,412,934.30 = 409,732.20 : x
  2. Step 2: Convert to fraction form
    942,301.80/1,412,934.30 = 409,732.20/x
  3. Step 3: Cross multiply
    942,301.80x = 1,412,934.30 × 409,732.20
  4. Step 4: Simplify right side
    942,301.80x = 578,924,679,194.46
  5. Step 5: Solve for x
    x = 578,924,679,194.46/942,301.80
  6. Step 6: Final answer
    x = 614,372.89

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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.