Home / 527,181.02-727,563.52-380,126.86

Finding the Fourth Proportional to 527,181.02, 727,563.52 and 380,126.86

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Solution

The fourth proportional to 527,181.02, 727,563.52 and 380,126.86 is: 524,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,181.02 : 727,563.52 = 380,126.86 : x
  2. Step 2: Convert to fraction form
    527,181.02/727,563.52 = 380,126.86/x
  3. Step 3: Cross multiply
    527,181.02x = 727,563.52 × 380,126.86
  4. Step 4: Simplify right side
    527,181.02x = 276,566,436,308.15
  5. Step 5: Solve for x
    x = 276,566,436,308.15/527,181.02
  6. Step 6: Final answer
    x = 524,613.80

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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.