Home / 782,825.34-1,080,298.94-443,359.20

Finding the Fourth Proportional to 782,825.34, 1,080,298.94 and 443,359.20

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Solution

The fourth proportional to 782,825.34, 1,080,298.94 and 443,359.20 is: 611,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,825.34 : 1,080,298.94 = 443,359.20 : x
  2. Step 2: Convert to fraction form
    782,825.34/1,080,298.94 = 443,359.20/x
  3. Step 3: Cross multiply
    782,825.34x = 1,080,298.94 × 443,359.20
  4. Step 4: Simplify right side
    782,825.34x = 478,960,473,799.25
  5. Step 5: Solve for x
    x = 478,960,473,799.25/782,825.34
  6. Step 6: Final answer
    x = 611,835.68

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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.