Home / 772,949.72-1,158,242.18-413,171.75

Finding the Fourth Proportional to 772,949.72, 1,158,242.18 and 413,171.75

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Solution

The fourth proportional to 772,949.72, 1,158,242.18 and 413,171.75 is: 619,125.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,949.72 : 1,158,242.18 = 413,171.75 : x
  2. Step 2: Convert to fraction form
    772,949.72/1,158,242.18 = 413,171.75/x
  3. Step 3: Cross multiply
    772,949.72x = 1,158,242.18 × 413,171.75
  4. Step 4: Simplify right side
    772,949.72x = 478,552,940,577.35
  5. Step 5: Solve for x
    x = 478,552,940,577.35/772,949.72
  6. Step 6: Final answer
    x = 619,125.58

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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.