Home / 819,441.24-1,229,159.70-220,402.20

Finding the Fourth Proportional to 819,441.24, 1,229,159.70 and 220,402.20

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Solution

The fourth proportional to 819,441.24, 1,229,159.70 and 220,402.20 is: 330,602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,441.24 : 1,229,159.70 = 220,402.20 : x
  2. Step 2: Convert to fraction form
    819,441.24/1,229,159.70 = 220,402.20/x
  3. Step 3: Cross multiply
    819,441.24x = 1,229,159.70 × 220,402.20
  4. Step 4: Simplify right side
    819,441.24x = 270,909,502,031.34
  5. Step 5: Solve for x
    x = 270,909,502,031.34/819,441.24
  6. Step 6: Final answer
    x = 330,602.72

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1.5x scale

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.