Home / 894,531.47-1,234,910.61-690,123.51

Finding the Fourth Proportional to 894,531.47, 1,234,910.61 and 690,123.51

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Solution

The fourth proportional to 894,531.47, 1,234,910.61 and 690,123.51 is: 952,723.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,531.47 : 1,234,910.61 = 690,123.51 : x
  2. Step 2: Convert to fraction form
    894,531.47/1,234,910.61 = 690,123.51/x
  3. Step 3: Cross multiply
    894,531.47x = 1,234,910.61 × 690,123.51
  4. Step 4: Simplify right side
    894,531.47x = 852,240,844,709.44
  5. Step 5: Solve for x
    x = 852,240,844,709.44/894,531.47
  6. Step 6: Final answer
    x = 952,723.16

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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.