Home / 668,294.80-1,002,442.20-556,101.70

Finding the Fourth Proportional to 668,294.80, 1,002,442.20 and 556,101.70

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Solution

The fourth proportional to 668,294.80, 1,002,442.20 and 556,101.70 is: 834,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,294.80 : 1,002,442.20 = 556,101.70 : x
  2. Step 2: Convert to fraction form
    668,294.80/1,002,442.20 = 556,101.70/x
  3. Step 3: Cross multiply
    668,294.80x = 1,002,442.20 × 556,101.70
  4. Step 4: Simplify right side
    668,294.80x = 557,459,811,571.74
  5. Step 5: Solve for x
    x = 557,459,811,571.74/668,294.80
  6. Step 6: Final answer
    x = 834,152.55

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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.