Home / 670,498.92-1,005,650.04-271,130.88

Finding the Fourth Proportional to 670,498.92, 1,005,650.04 and 271,130.88

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Solution

The fourth proportional to 670,498.92, 1,005,650.04 and 271,130.88 is: 406,656.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,498.92 : 1,005,650.04 = 271,130.88 : x
  2. Step 2: Convert to fraction form
    670,498.92/1,005,650.04 = 271,130.88/x
  3. Step 3: Cross multiply
    670,498.92x = 1,005,650.04 × 271,130.88
  4. Step 4: Simplify right side
    670,498.92x = 272,662,780,317.24
  5. Step 5: Solve for x
    x = 272,662,780,317.24/670,498.92
  6. Step 6: Final answer
    x = 406,656.55

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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.