Home / 817,751.70-1,226,627.26-218,697.29

Finding the Fourth Proportional to 817,751.70, 1,226,627.26 and 218,697.29

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Solution

The fourth proportional to 817,751.70, 1,226,627.26 and 218,697.29 is: 328,045.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,751.70 : 1,226,627.26 = 218,697.29 : x
  2. Step 2: Convert to fraction form
    817,751.70/1,226,627.26 = 218,697.29/x
  3. Step 3: Cross multiply
    817,751.70x = 1,226,627.26 × 218,697.29
  4. Step 4: Simplify right side
    817,751.70x = 268,260,055,522.10
  5. Step 5: Solve for x
    x = 268,260,055,522.10/817,751.70
  6. Step 6: Final answer
    x = 328,045.85

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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.