Home / 550,894.08-760,171.20-309,126.72

Finding the Fourth Proportional to 550,894.08, 760,171.20 and 309,126.72

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Solution

The fourth proportional to 550,894.08, 760,171.20 and 309,126.72 is: 426,559.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,894.08 : 760,171.20 = 309,126.72 : x
  2. Step 2: Convert to fraction form
    550,894.08/760,171.20 = 309,126.72/x
  3. Step 3: Cross multiply
    550,894.08x = 760,171.20 × 309,126.72
  4. Step 4: Simplify right side
    550,894.08x = 234,989,229,694.46
  5. Step 5: Solve for x
    x = 234,989,229,694.46/550,894.08
  6. Step 6: Final answer
    x = 426,559.73

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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.