Home / 741,427.17-1,112,146.64-485,475.48

Finding the Fourth Proportional to 741,427.17, 1,112,146.64 and 485,475.48

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Solution

The fourth proportional to 741,427.17, 1,112,146.64 and 485,475.48 is: 728,217.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,427.17 : 1,112,146.64 = 485,475.48 : x
  2. Step 2: Convert to fraction form
    741,427.17/1,112,146.64 = 485,475.48/x
  3. Step 3: Cross multiply
    741,427.17x = 1,112,146.64 × 485,475.48
  4. Step 4: Simplify right side
    741,427.17x = 539,919,921,457.01
  5. Step 5: Solve for x
    x = 539,919,921,457.01/741,427.17
  6. Step 6: Final answer
    x = 728,217.07

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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.