Home / 980,452.10-1,471,200.60-381,432.80

Finding the Fourth Proportional to 980,452.10, 1,471,200.60 and 381,432.80

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Solution

The fourth proportional to 980,452.10, 1,471,200.60 and 381,432.80 is: 572,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,452.10 : 1,471,200.60 = 381,432.80 : x
  2. Step 2: Convert to fraction form
    980,452.10/1,471,200.60 = 381,432.80/x
  3. Step 3: Cross multiply
    980,452.10x = 1,471,200.60 × 381,432.80
  4. Step 4: Simplify right side
    980,452.10x = 561,164,164,219.68
  5. Step 5: Solve for x
    x = 561,164,164,219.68/980,452.10
  6. Step 6: Final answer
    x = 572,352.45

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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.