Home / 752,426.42-1,128,705.23-220,001.27

Finding the Fourth Proportional to 752,426.42, 1,128,705.23 and 220,001.27

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Solution

The fourth proportional to 752,426.42, 1,128,705.23 and 220,001.27 is: 330,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,426.42 : 1,128,705.23 = 220,001.27 : x
  2. Step 2: Convert to fraction form
    752,426.42/1,128,705.23 = 220,001.27/x
  3. Step 3: Cross multiply
    752,426.42x = 1,128,705.23 × 220,001.27
  4. Step 4: Simplify right side
    752,426.42x = 248,316,578,962.12
  5. Step 5: Solve for x
    x = 248,316,578,962.12/752,426.42
  6. Step 6: Final answer
    x = 330,021.08

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Double scale
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Similar ratio
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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.