Home / 782,498.26-1,079,852.07-460,221.94

Finding the Fourth Proportional to 782,498.26, 1,079,852.07 and 460,221.94

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Solution

The fourth proportional to 782,498.26, 1,079,852.07 and 460,221.94 is: 635,108.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,498.26 : 1,079,852.07 = 460,221.94 : x
  2. Step 2: Convert to fraction form
    782,498.26/1,079,852.07 = 460,221.94/x
  3. Step 3: Cross multiply
    782,498.26x = 1,079,852.07 × 460,221.94
  4. Step 4: Simplify right side
    782,498.26x = 496,971,614,568.42
  5. Step 5: Solve for x
    x = 496,971,614,568.42/782,498.26
  6. Step 6: Final answer
    x = 635,108.91

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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.