Home / 847,326.21-1,270,988.25-216,240.04

Finding the Fourth Proportional to 847,326.21, 1,270,988.25 and 216,240.04

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Solution

The fourth proportional to 847,326.21, 1,270,988.25 and 216,240.04 is: 324,359.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,326.21 : 1,270,988.25 = 216,240.04 : x
  2. Step 2: Convert to fraction form
    847,326.21/1,270,988.25 = 216,240.04/x
  3. Step 3: Cross multiply
    847,326.21x = 1,270,988.25 × 216,240.04
  4. Step 4: Simplify right side
    847,326.21x = 274,838,550,019.53
  5. Step 5: Solve for x
    x = 274,838,550,019.53/847,326.21
  6. Step 6: Final answer
    x = 324,359.79

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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.