Home / 898,437.91-1,239,846.92-490,543.28

Finding the Fourth Proportional to 898,437.91, 1,239,846.92 and 490,543.28

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Solution

The fourth proportional to 898,437.91, 1,239,846.92 and 490,543.28 is: 676,951.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,437.91 : 1,239,846.92 = 490,543.28 : x
  2. Step 2: Convert to fraction form
    898,437.91/1,239,846.92 = 490,543.28/x
  3. Step 3: Cross multiply
    898,437.91x = 1,239,846.92 × 490,543.28
  4. Step 4: Simplify right side
    898,437.91x = 608,198,574,834.70
  5. Step 5: Solve for x
    x = 608,198,574,834.70/898,437.91
  6. Step 6: Final answer
    x = 676,951.15

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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.