Home / 851,865.30-1,175,737.41-512,442.90

Finding the Fourth Proportional to 851,865.30, 1,175,737.41 and 512,442.90

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Solution

The fourth proportional to 851,865.30, 1,175,737.41 and 512,442.90 is: 707,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,865.30 : 1,175,737.41 = 512,442.90 : x
  2. Step 2: Convert to fraction form
    851,865.30/1,175,737.41 = 512,442.90/x
  3. Step 3: Cross multiply
    851,865.30x = 1,175,737.41 × 512,442.90
  4. Step 4: Simplify right side
    851,865.30x = 602,498,288,018.89
  5. Step 5: Solve for x
    x = 602,498,288,018.89/851,865.30
  6. Step 6: Final answer
    x = 707,269.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.