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Finding the Fourth Proportional to 860,182.92, 1,187,082.84 and 473,027.82

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Solution

The fourth proportional to 860,182.92, 1,187,082.84 and 473,027.82 is: 652,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,182.92 : 1,187,082.84 = 473,027.82 : x
  2. Step 2: Convert to fraction form
    860,182.92/1,187,082.84 = 473,027.82/x
  3. Step 3: Cross multiply
    860,182.92x = 1,187,082.84 × 473,027.82
  4. Step 4: Simplify right side
    860,182.92x = 561,523,207,964.61
  5. Step 5: Solve for x
    x = 561,523,207,964.61/860,182.92
  6. Step 6: Final answer
    x = 652,795.11

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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.