Home / 910,615.20-1,367,151.60-578,839.20

Finding the Fourth Proportional to 910,615.20, 1,367,151.60 and 578,839.20

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Solution

The fourth proportional to 910,615.20, 1,367,151.60 and 578,839.20 is: 869,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,615.20 : 1,367,151.60 = 578,839.20 : x
  2. Step 2: Convert to fraction form
    910,615.20/1,367,151.60 = 578,839.20/x
  3. Step 3: Cross multiply
    910,615.20x = 1,367,151.60 × 578,839.20
  4. Step 4: Simplify right side
    910,615.20x = 791,360,938,422.72
  5. Step 5: Solve for x
    x = 791,360,938,422.72/910,615.20
  6. Step 6: Final answer
    x = 869,039.90

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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.