Home / 777,000.64-1,165,018.56-327,490.24

Finding the Fourth Proportional to 777,000.64, 1,165,018.56 and 327,490.24

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Solution

The fourth proportional to 777,000.64, 1,165,018.56 and 327,490.24 is: 491,032.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,000.64 : 1,165,018.56 = 327,490.24 : x
  2. Step 2: Convert to fraction form
    777,000.64/1,165,018.56 = 327,490.24/x
  3. Step 3: Cross multiply
    777,000.64x = 1,165,018.56 × 327,490.24
  4. Step 4: Simplify right side
    777,000.64x = 381,532,207,818.85
  5. Step 5: Solve for x
    x = 381,532,207,818.85/777,000.64
  6. Step 6: Final answer
    x = 491,032.04

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1.5x scale

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.