Home / 729,880.20-1,094,820.30-688,545.90

Finding the Fourth Proportional to 729,880.20, 1,094,820.30 and 688,545.90

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Solution

The fourth proportional to 729,880.20, 1,094,820.30 and 688,545.90 is: 1,032,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,880.20 : 1,094,820.30 = 688,545.90 : x
  2. Step 2: Convert to fraction form
    729,880.20/1,094,820.30 = 688,545.90/x
  3. Step 3: Cross multiply
    729,880.20x = 1,094,820.30 × 688,545.90
  4. Step 4: Simplify right side
    729,880.20x = 753,834,028,801.77
  5. Step 5: Solve for x
    x = 753,834,028,801.77/729,880.20
  6. Step 6: Final answer
    x = 1,032,818.85

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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.