Home / 782,940.96-1,080,542.16-443,423.52

Finding the Fourth Proportional to 782,940.96, 1,080,542.16 and 443,423.52

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Solution

The fourth proportional to 782,940.96, 1,080,542.16 and 443,423.52 is: 611,971.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,940.96 : 1,080,542.16 = 443,423.52 : x
  2. Step 2: Convert to fraction form
    782,940.96/1,080,542.16 = 443,423.52/x
  3. Step 3: Cross multiply
    782,940.96x = 1,080,542.16 × 443,423.52
  4. Step 4: Simplify right side
    782,940.96x = 479,137,808,095.60
  5. Step 5: Solve for x
    x = 479,137,808,095.60/782,940.96
  6. Step 6: Final answer
    x = 611,971.82

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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.