Home / 839,672.60-1,158,704.46-477,046.13

Finding the Fourth Proportional to 839,672.60, 1,158,704.46 and 477,046.13

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Solution

The fourth proportional to 839,672.60, 1,158,704.46 and 477,046.13 is: 658,298.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,672.60 : 1,158,704.46 = 477,046.13 : x
  2. Step 2: Convert to fraction form
    839,672.60/1,158,704.46 = 477,046.13/x
  3. Step 3: Cross multiply
    839,672.60x = 1,158,704.46 × 477,046.13
  4. Step 4: Simplify right side
    839,672.60x = 552,755,472,663.22
  5. Step 5: Solve for x
    x = 552,755,472,663.22/839,672.60
  6. Step 6: Final answer
    x = 658,298.81

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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.