Home / 782,854.47-1,080,320.76-460,585.31

Finding the Fourth Proportional to 782,854.47, 1,080,320.76 and 460,585.31

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Solution

The fourth proportional to 782,854.47, 1,080,320.76 and 460,585.31 is: 635,596.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,854.47 : 1,080,320.76 = 460,585.31 : x
  2. Step 2: Convert to fraction form
    782,854.47/1,080,320.76 = 460,585.31/x
  3. Step 3: Cross multiply
    782,854.47x = 1,080,320.76 × 460,585.31
  4. Step 4: Simplify right side
    782,854.47x = 497,579,866,742.43
  5. Step 5: Solve for x
    x = 497,579,866,742.43/782,854.47
  6. Step 6: Final answer
    x = 635,596.89

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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.