Home / 782,764.86-1,080,197.24-460,495.72

Finding the Fourth Proportional to 782,764.86, 1,080,197.24 and 460,495.72

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Solution

The fourth proportional to 782,764.86, 1,080,197.24 and 460,495.72 is: 635,473.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,764.86 : 1,080,197.24 = 460,495.72 : x
  2. Step 2: Convert to fraction form
    782,764.86/1,080,197.24 = 460,495.72/x
  3. Step 3: Cross multiply
    782,764.86x = 1,080,197.24 × 460,495.72
  4. Step 4: Simplify right side
    782,764.86x = 497,426,205,775.81
  5. Step 5: Solve for x
    x = 497,426,205,775.81/782,764.86
  6. Step 6: Final answer
    x = 635,473.35

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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.