Home / 993,627.72-1,489,129.02-361,934.64

Finding the Fourth Proportional to 993,627.72, 1,489,129.02 and 361,934.64

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Solution

The fourth proportional to 993,627.72, 1,489,129.02 and 361,934.64 is: 542,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,627.72 : 1,489,129.02 = 361,934.64 : x
  2. Step 2: Convert to fraction form
    993,627.72/1,489,129.02 = 361,934.64/x
  3. Step 3: Cross multiply
    993,627.72x = 1,489,129.02 × 361,934.64
  4. Step 4: Simplify right side
    993,627.72x = 538,967,375,767.25
  5. Step 5: Solve for x
    x = 538,967,375,767.25/993,627.72
  6. Step 6: Final answer
    x = 542,423.85

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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.