Home / 860,248.78-1,187,123.80-467,773.18

Finding the Fourth Proportional to 860,248.78, 1,187,123.80 and 467,773.18

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Solution

The fourth proportional to 860,248.78, 1,187,123.80 and 467,773.18 is: 645,516.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,248.78 : 1,187,123.80 = 467,773.18 : x
  2. Step 2: Convert to fraction form
    860,248.78/1,187,123.80 = 467,773.18/x
  3. Step 3: Cross multiply
    860,248.78x = 1,187,123.80 × 467,773.18
  4. Step 4: Simplify right side
    860,248.78x = 555,304,671,719.52
  5. Step 5: Solve for x
    x = 555,304,671,719.52/860,248.78
  6. Step 6: Final answer
    x = 645,516.37

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1.5x scale

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.