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Finding the Fourth Proportional to 909,793, 1,255,108.53 and 527,598.46

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Solution

The fourth proportional to 909,793, 1,255,108.53 and 527,598.46 is: 727,850.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,793 : 1,255,108.53 = 527,598.46 : x
  2. Step 2: Convert to fraction form
    909,793/1,255,108.53 = 527,598.46/x
  3. Step 3: Cross multiply
    909,793x = 1,255,108.53 × 527,598.46
  4. Step 4: Simplify right side
    909,793x = 662,193,327,560.86
  5. Step 5: Solve for x
    x = 662,193,327,560.86/909,793
  6. Step 6: Final answer
    x = 727,850.54

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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.