Home / 782,725.04-1,080,164.80-443,259.44

Finding the Fourth Proportional to 782,725.04, 1,080,164.80 and 443,259.44

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Solution

The fourth proportional to 782,725.04, 1,080,164.80 and 443,259.44 is: 611,700.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,725.04 : 1,080,164.80 = 443,259.44 : x
  2. Step 2: Convert to fraction form
    782,725.04/1,080,164.80 = 443,259.44/x
  3. Step 3: Cross multiply
    782,725.04x = 1,080,164.80 × 443,259.44
  4. Step 4: Simplify right side
    782,725.04x = 478,793,244,355.71
  5. Step 5: Solve for x
    x = 478,793,244,355.71/782,725.04
  6. Step 6: Final answer
    x = 611,700.43

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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.