Home / 965,387.20-1,447,389.60-404,132.80

Finding the Fourth Proportional to 965,387.20, 1,447,389.60 and 404,132.80

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Solution

The fourth proportional to 965,387.20, 1,447,389.60 and 404,132.80 is: 605,909.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,387.20 : 1,447,389.60 = 404,132.80 : x
  2. Step 2: Convert to fraction form
    965,387.20/1,447,389.60 = 404,132.80/x
  3. Step 3: Cross multiply
    965,387.20x = 1,447,389.60 × 404,132.80
  4. Step 4: Simplify right side
    965,387.20x = 584,937,611,738.88
  5. Step 5: Solve for x
    x = 584,937,611,738.88/965,387.20
  6. Step 6: Final answer
    x = 605,909.85

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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.