Home / 760,379.27-1,049,350.03-416,215.42

Finding the Fourth Proportional to 760,379.27, 1,049,350.03 and 416,215.42

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Solution

The fourth proportional to 760,379.27, 1,049,350.03 and 416,215.42 is: 574,391.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,379.27 : 1,049,350.03 = 416,215.42 : x
  2. Step 2: Convert to fraction form
    760,379.27/1,049,350.03 = 416,215.42/x
  3. Step 3: Cross multiply
    760,379.27x = 1,049,350.03 × 416,215.42
  4. Step 4: Simplify right side
    760,379.27x = 436,755,663,463.46
  5. Step 5: Solve for x
    x = 436,755,663,463.46/760,379.27
  6. Step 6: Final answer
    x = 574,391.86

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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.