Home / 652,024.20-976,724.10-439,447.80

Finding the Fourth Proportional to 652,024.20, 976,724.10 and 439,447.80

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Solution

The fourth proportional to 652,024.20, 976,724.10 and 439,447.80 is: 658,287.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,024.20 : 976,724.10 = 439,447.80 : x
  2. Step 2: Convert to fraction form
    652,024.20/976,724.10 = 439,447.80/x
  3. Step 3: Cross multiply
    652,024.20x = 976,724.10 × 439,447.80
  4. Step 4: Simplify right side
    652,024.20x = 429,219,256,951.98
  5. Step 5: Solve for x
    x = 429,219,256,951.98/652,024.20
  6. Step 6: Final answer
    x = 658,287.31

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1.5x scale

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.