Home / 653,151.12-980,028-298,273.92

Finding the Fourth Proportional to 653,151.12, 980,028 and 298,273.92

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Solution

The fourth proportional to 653,151.12, 980,028 and 298,273.92 is: 447,548.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,151.12 : 980,028 = 298,273.92 : x
  2. Step 2: Convert to fraction form
    653,151.12/980,028 = 298,273.92/x
  3. Step 3: Cross multiply
    653,151.12x = 980,028 × 298,273.92
  4. Step 4: Simplify right side
    653,151.12x = 292,316,793,269.76
  5. Step 5: Solve for x
    x = 292,316,793,269.76/653,151.12
  6. Step 6: Final answer
    x = 447,548.48

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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.