Home / 757,740.18-1,045,679.31-418,206

Finding the Fourth Proportional to 757,740.18, 1,045,679.31 and 418,206

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Solution

The fourth proportional to 757,740.18, 1,045,679.31 and 418,206 is: 577,123.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,740.18 : 1,045,679.31 = 418,206 : x
  2. Step 2: Convert to fraction form
    757,740.18/1,045,679.31 = 418,206/x
  3. Step 3: Cross multiply
    757,740.18x = 1,045,679.31 × 418,206
  4. Step 4: Simplify right side
    757,740.18x = 437,309,361,517.86
  5. Step 5: Solve for x
    x = 437,309,361,517.86/757,740.18
  6. Step 6: Final answer
    x = 577,123.10

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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.