Home / 747,598.60-1,031,649.78-408,046.60

Finding the Fourth Proportional to 747,598.60, 1,031,649.78 and 408,046.60

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Solution

The fourth proportional to 747,598.60, 1,031,649.78 and 408,046.60 is: 563,084.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,598.60 : 1,031,649.78 = 408,046.60 : x
  2. Step 2: Convert to fraction form
    747,598.60/1,031,649.78 = 408,046.60/x
  3. Step 3: Cross multiply
    747,598.60x = 1,031,649.78 × 408,046.60
  4. Step 4: Simplify right side
    747,598.60x = 420,961,185,119.75
  5. Step 5: Solve for x
    x = 420,961,185,119.75/747,598.60
  6. Step 6: Final answer
    x = 563,084.50

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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.