Home / 781,404.86-1,172,152.70-301,635.38

Finding the Fourth Proportional to 781,404.86, 1,172,152.70 and 301,635.38

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Solution

The fourth proportional to 781,404.86, 1,172,152.70 and 301,635.38 is: 452,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,404.86 : 1,172,152.70 = 301,635.38 : x
  2. Step 2: Convert to fraction form
    781,404.86/1,172,152.70 = 301,635.38/x
  3. Step 3: Cross multiply
    781,404.86x = 1,172,152.70 × 301,635.38
  4. Step 4: Simplify right side
    781,404.86x = 353,562,725,082.53
  5. Step 5: Solve for x
    x = 353,562,725,082.53/781,404.86
  6. Step 6: Final answer
    x = 452,470.60

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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.