Home / 817,048.71-1,225,573.16-218,012.09

Finding the Fourth Proportional to 817,048.71, 1,225,573.16 and 218,012.09

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Solution

The fourth proportional to 817,048.71, 1,225,573.16 and 218,012.09 is: 327,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,048.71 : 1,225,573.16 = 218,012.09 : x
  2. Step 2: Convert to fraction form
    817,048.71/1,225,573.16 = 218,012.09/x
  3. Step 3: Cross multiply
    817,048.71x = 1,225,573.16 × 218,012.09
  4. Step 4: Simplify right side
    817,048.71x = 267,189,758,841.58
  5. Step 5: Solve for x
    x = 267,189,758,841.58/817,048.71
  6. Step 6: Final answer
    x = 327,018.15

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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.