Home / 849,875.74-1,274,891.53-218,791.58

Finding the Fourth Proportional to 849,875.74, 1,274,891.53 and 218,791.58

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Solution

The fourth proportional to 849,875.74, 1,274,891.53 and 218,791.58 is: 328,207.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,875.74 : 1,274,891.53 = 218,791.58 : x
  2. Step 2: Convert to fraction form
    849,875.74/1,274,891.53 = 218,791.58/x
  3. Step 3: Cross multiply
    849,875.74x = 1,274,891.53 × 218,791.58
  4. Step 4: Simplify right side
    849,875.74x = 278,935,532,177.32
  5. Step 5: Solve for x
    x = 278,935,532,177.32/849,875.74
  6. Step 6: Final answer
    x = 328,207.43

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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.