Home / 898,531.27-1,239,979.16-490,635.95

Finding the Fourth Proportional to 898,531.27, 1,239,979.16 and 490,635.95

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Solution

The fourth proportional to 898,531.27, 1,239,979.16 and 490,635.95 is: 677,080.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,531.27 : 1,239,979.16 = 490,635.95 : x
  2. Step 2: Convert to fraction form
    898,531.27/1,239,979.16 = 490,635.95/x
  3. Step 3: Cross multiply
    898,531.27x = 1,239,979.16 × 490,635.95
  4. Step 4: Simplify right side
    898,531.27x = 608,378,350,983.53
  5. Step 5: Solve for x
    x = 608,378,350,983.53/898,531.27
  6. Step 6: Final answer
    x = 677,080.89

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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.