Home / 540,157.03-745,446.60-298,434.42

Finding the Fourth Proportional to 540,157.03, 745,446.60 and 298,434.42

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Solution

The fourth proportional to 540,157.03, 745,446.60 and 298,434.42 is: 411,856.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,157.03 : 745,446.60 = 298,434.42 : x
  2. Step 2: Convert to fraction form
    540,157.03/745,446.60 = 298,434.42/x
  3. Step 3: Cross multiply
    540,157.03x = 745,446.60 × 298,434.42
  4. Step 4: Simplify right side
    540,157.03x = 222,466,923,711.97
  5. Step 5: Solve for x
    x = 222,466,923,711.97/540,157.03
  6. Step 6: Final answer
    x = 411,856.02

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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.