Home / 755,422.12-1,133,316.20-222,931.36

Finding the Fourth Proportional to 755,422.12, 1,133,316.20 and 222,931.36

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Solution

The fourth proportional to 755,422.12, 1,133,316.20 and 222,931.36 is: 334,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,422.12 : 1,133,316.20 = 222,931.36 : x
  2. Step 2: Convert to fraction form
    755,422.12/1,133,316.20 = 222,931.36/x
  3. Step 3: Cross multiply
    755,422.12x = 1,133,316.20 × 222,931.36
  4. Step 4: Simplify right side
    755,422.12x = 252,651,721,776.03
  5. Step 5: Solve for x
    x = 252,651,721,776.03/755,422.12
  6. Step 6: Final answer
    x = 334,451.05

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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.