Home / 782,614.48-1,173,732.90-326,959.57

Finding the Fourth Proportional to 782,614.48, 1,173,732.90 and 326,959.57

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Solution

The fourth proportional to 782,614.48, 1,173,732.90 and 326,959.57 is: 490,360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,614.48 : 1,173,732.90 = 326,959.57 : x
  2. Step 2: Convert to fraction form
    782,614.48/1,173,732.90 = 326,959.57/x
  3. Step 3: Cross multiply
    782,614.48x = 1,173,732.90 × 326,959.57
  4. Step 4: Simplify right side
    782,614.48x = 383,763,200,118.42
  5. Step 5: Solve for x
    x = 383,763,200,118.42/782,614.48
  6. Step 6: Final answer
    x = 490,360.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.