Home / 782,845.80-1,080,308.93-460,576.68

Finding the Fourth Proportional to 782,845.80, 1,080,308.93 and 460,576.68

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Solution

The fourth proportional to 782,845.80, 1,080,308.93 and 460,576.68 is: 635,585.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,845.80 : 1,080,308.93 = 460,576.68 : x
  2. Step 2: Convert to fraction form
    782,845.80/1,080,308.93 = 460,576.68/x
  3. Step 3: Cross multiply
    782,845.80x = 1,080,308.93 × 460,576.68
  4. Step 4: Simplify right side
    782,845.80x = 497,565,098,050.87
  5. Step 5: Solve for x
    x = 497,565,098,050.87/782,845.80
  6. Step 6: Final answer
    x = 635,585.06

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1.5x scale

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.