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Finding the Fourth Proportional to 586,537.80, 879,450.30 and 231,142.20

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Solution

The fourth proportional to 586,537.80, 879,450.30 and 231,142.20 is: 346,572.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,537.80 : 879,450.30 = 231,142.20 : x
  2. Step 2: Convert to fraction form
    586,537.80/879,450.30 = 231,142.20/x
  3. Step 3: Cross multiply
    586,537.80x = 879,450.30 × 231,142.20
  4. Step 4: Simplify right side
    586,537.80x = 203,278,077,132.66
  5. Step 5: Solve for x
    x = 203,278,077,132.66/586,537.80
  6. Step 6: Final answer
    x = 346,572.85

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1.5x scale

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.