Home / 898,479.27-1,239,951.60-490,619.07

Finding the Fourth Proportional to 898,479.27, 1,239,951.60 and 490,619.07

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Solution

The fourth proportional to 898,479.27, 1,239,951.60 and 490,619.07 is: 677,081.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,479.27 : 1,239,951.60 = 490,619.07 : x
  2. Step 2: Convert to fraction form
    898,479.27/1,239,951.60 = 490,619.07/x
  3. Step 3: Cross multiply
    898,479.27x = 1,239,951.60 × 490,619.07
  4. Step 4: Simplify right side
    898,479.27x = 608,343,900,837.01
  5. Step 5: Solve for x
    x = 608,343,900,837.01/898,479.27
  6. Step 6: Final answer
    x = 677,081.73

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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.