Home / 849,647.39-1,274,496.65-209,951.09

Finding the Fourth Proportional to 849,647.39, 1,274,496.65 and 209,951.09

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Solution

The fourth proportional to 849,647.39, 1,274,496.65 and 209,951.09 is: 314,932.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,647.39 : 1,274,496.65 = 209,951.09 : x
  2. Step 2: Convert to fraction form
    849,647.39/1,274,496.65 = 209,951.09/x
  3. Step 3: Cross multiply
    849,647.39x = 1,274,496.65 × 209,951.09
  4. Step 4: Simplify right side
    849,647.39x = 267,581,953,446.61
  5. Step 5: Solve for x
    x = 267,581,953,446.61/849,647.39
  6. Step 6: Final answer
    x = 314,932.95

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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.