Home / 782,984.09-1,080,466.89-460,631.90

Finding the Fourth Proportional to 782,984.09, 1,080,466.89 and 460,631.90

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Solution

The fourth proportional to 782,984.09, 1,080,466.89 and 460,631.90 is: 635,641.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,984.09 : 1,080,466.89 = 460,631.90 : x
  2. Step 2: Convert to fraction form
    782,984.09/1,080,466.89 = 460,631.90/x
  3. Step 3: Cross multiply
    782,984.09x = 1,080,466.89 × 460,631.90
  4. Step 4: Simplify right side
    782,984.09x = 497,697,511,025.46
  5. Step 5: Solve for x
    x = 497,697,511,025.46/782,984.09
  6. Step 6: Final answer
    x = 635,641.92

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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.