Home / 741,679.20-1,114,851.60-727,682.40

Finding the Fourth Proportional to 741,679.20, 1,114,851.60 and 727,682.40

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Solution

The fourth proportional to 741,679.20, 1,114,851.60 and 727,682.40 is: 1,093,812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,679.20 : 1,114,851.60 = 727,682.40 : x
  2. Step 2: Convert to fraction form
    741,679.20/1,114,851.60 = 727,682.40/x
  3. Step 3: Cross multiply
    741,679.20x = 1,114,851.60 × 727,682.40
  4. Step 4: Simplify right side
    741,679.20x = 811,257,887,931.84
  5. Step 5: Solve for x
    x = 811,257,887,931.84/741,679.20
  6. Step 6: Final answer
    x = 1,093,812.38

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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.