Home / 747,824.76-1,121,740.02-186,859.80

Finding the Fourth Proportional to 747,824.76, 1,121,740.02 and 186,859.80

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Solution

The fourth proportional to 747,824.76, 1,121,740.02 and 186,859.80 is: 280,290.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,824.76 : 1,121,740.02 = 186,859.80 : x
  2. Step 2: Convert to fraction form
    747,824.76/1,121,740.02 = 186,859.80/x
  3. Step 3: Cross multiply
    747,824.76x = 1,121,740.02 × 186,859.80
  4. Step 4: Simplify right side
    747,824.76x = 209,608,115,789.20
  5. Step 5: Solve for x
    x = 209,608,115,789.20/747,824.76
  6. Step 6: Final answer
    x = 280,290.42

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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.