Home / 951,864.80-1,428,603.60-391,301.60

Finding the Fourth Proportional to 951,864.80, 1,428,603.60 and 391,301.60

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Solution

The fourth proportional to 951,864.80, 1,428,603.60 and 391,301.60 is: 587,283.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,864.80 : 1,428,603.60 = 391,301.60 : x
  2. Step 2: Convert to fraction form
    951,864.80/1,428,603.60 = 391,301.60/x
  3. Step 3: Cross multiply
    951,864.80x = 1,428,603.60 × 391,301.60
  4. Step 4: Simplify right side
    951,864.80x = 559,014,874,445.76
  5. Step 5: Solve for x
    x = 559,014,874,445.76/951,864.80
  6. Step 6: Final answer
    x = 587,283.90

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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.