Home / 894,026.68-1,233,750.20-486,128.80

Finding the Fourth Proportional to 894,026.68, 1,233,750.20 and 486,128.80

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Solution

The fourth proportional to 894,026.68, 1,233,750.20 and 486,128.80 is: 670,854.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,026.68 : 1,233,750.20 = 486,128.80 : x
  2. Step 2: Convert to fraction form
    894,026.68/1,233,750.20 = 486,128.80/x
  3. Step 3: Cross multiply
    894,026.68x = 1,233,750.20 × 486,128.80
  4. Step 4: Simplify right side
    894,026.68x = 599,761,504,225.76
  5. Step 5: Solve for x
    x = 599,761,504,225.76/894,026.68
  6. Step 6: Final answer
    x = 670,854.15

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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.