Home / 651,400.08-976,766.76-272,217.24

Finding the Fourth Proportional to 651,400.08, 976,766.76 and 272,217.24

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Solution

The fourth proportional to 651,400.08, 976,766.76 and 272,217.24 is: 408,186.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,400.08 : 976,766.76 = 272,217.24 : x
  2. Step 2: Convert to fraction form
    651,400.08/976,766.76 = 272,217.24/x
  3. Step 3: Cross multiply
    651,400.08x = 976,766.76 × 272,217.24
  4. Step 4: Simplify right side
    651,400.08x = 265,892,751,530.94
  5. Step 5: Solve for x
    x = 265,892,751,530.94/651,400.08
  6. Step 6: Final answer
    x = 408,186.55

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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.