Home / 497,267.30-746,276.39-398,618.72

Finding the Fourth Proportional to 497,267.30, 746,276.39 and 398,618.72

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Solution

The fourth proportional to 497,267.30, 746,276.39 and 398,618.72 is: 598,229.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,267.30 : 746,276.39 = 398,618.72 : x
  2. Step 2: Convert to fraction form
    497,267.30/746,276.39 = 398,618.72/x
  3. Step 3: Cross multiply
    497,267.30x = 746,276.39 × 398,618.72
  4. Step 4: Simplify right side
    497,267.30x = 297,479,737,916.90
  5. Step 5: Solve for x
    x = 297,479,737,916.90/497,267.30
  6. Step 6: Final answer
    x = 598,229.03

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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.