Home / 878,278.03-1,316,519.61-498,396.53

Finding the Fourth Proportional to 878,278.03, 1,316,519.61 and 498,396.53

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Solution

The fourth proportional to 878,278.03, 1,316,519.61 and 498,396.53 is: 747,085.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,278.03 : 1,316,519.61 = 498,396.53 : x
  2. Step 2: Convert to fraction form
    878,278.03/1,316,519.61 = 498,396.53/x
  3. Step 3: Cross multiply
    878,278.03x = 1,316,519.61 × 498,396.53
  4. Step 4: Simplify right side
    878,278.03x = 656,148,805,300.95
  5. Step 5: Solve for x
    x = 656,148,805,300.95/878,278.03
  6. Step 6: Final answer
    x = 747,085.53

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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.