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Finding the Fourth Proportional to 668,293.80, 1,002,440.70 and 556,100.70

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Solution

The fourth proportional to 668,293.80, 1,002,440.70 and 556,100.70 is: 834,151.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,293.80 : 1,002,440.70 = 556,100.70 : x
  2. Step 2: Convert to fraction form
    668,293.80/1,002,440.70 = 556,100.70/x
  3. Step 3: Cross multiply
    668,293.80x = 1,002,440.70 × 556,100.70
  4. Step 4: Simplify right side
    668,293.80x = 557,457,974,978.49
  5. Step 5: Solve for x
    x = 557,457,974,978.49/668,293.80
  6. Step 6: Final answer
    x = 834,151.05

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Similar ratio
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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.