Home / 914,560.72-1,371,443.76-488,001.40

Finding the Fourth Proportional to 914,560.72, 1,371,443.76 and 488,001.40

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Solution

The fourth proportional to 914,560.72, 1,371,443.76 and 488,001.40 is: 731,790.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,560.72 : 1,371,443.76 = 488,001.40 : x
  2. Step 2: Convert to fraction form
    914,560.72/1,371,443.76 = 488,001.40/x
  3. Step 3: Cross multiply
    914,560.72x = 1,371,443.76 × 488,001.40
  4. Step 4: Simplify right side
    914,560.72x = 669,266,474,901.26
  5. Step 5: Solve for x
    x = 669,266,474,901.26/914,560.72
  6. Step 6: Final answer
    x = 731,790.09

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1.5x scale

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.