Home / 898,377.71-1,239,754.90-490,479.53

Finding the Fourth Proportional to 898,377.71, 1,239,754.90 and 490,479.53

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Solution

The fourth proportional to 898,377.71, 1,239,754.90 and 490,479.53 is: 676,858.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,377.71 : 1,239,754.90 = 490,479.53 : x
  2. Step 2: Convert to fraction form
    898,377.71/1,239,754.90 = 490,479.53/x
  3. Step 3: Cross multiply
    898,377.71x = 1,239,754.90 × 490,479.53
  4. Step 4: Simplify right side
    898,377.71x = 608,074,399,717.87
  5. Step 5: Solve for x
    x = 608,074,399,717.87/898,377.71
  6. Step 6: Final answer
    x = 676,858.29

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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.