Home / 752,743.55-1,128,741.51-272,952.20

Finding the Fourth Proportional to 752,743.55, 1,128,741.51 and 272,952.20

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Solution

The fourth proportional to 752,743.55, 1,128,741.51 and 272,952.20 is: 409,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,743.55 : 1,128,741.51 = 272,952.20 : x
  2. Step 2: Convert to fraction form
    752,743.55/1,128,741.51 = 272,952.20/x
  3. Step 3: Cross multiply
    752,743.55x = 1,128,741.51 × 272,952.20
  4. Step 4: Simplify right side
    752,743.55x = 308,092,478,385.82
  5. Step 5: Solve for x
    x = 308,092,478,385.82/752,743.55
  6. Step 6: Final answer
    x = 409,292.75

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Double scale
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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.