Home / 849,648.39-1,274,498.15-209,952.09

Finding the Fourth Proportional to 849,648.39, 1,274,498.15 and 209,952.09

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Solution

The fourth proportional to 849,648.39, 1,274,498.15 and 209,952.09 is: 314,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,648.39 : 1,274,498.15 = 209,952.09 : x
  2. Step 2: Convert to fraction form
    849,648.39/1,274,498.15 = 209,952.09/x
  3. Step 3: Cross multiply
    849,648.39x = 1,274,498.15 × 209,952.09
  4. Step 4: Simplify right side
    849,648.39x = 267,583,550,293.63
  5. Step 5: Solve for x
    x = 267,583,550,293.63/849,648.39
  6. Step 6: Final answer
    x = 314,934.45

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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.