Home / 741,782.64-1,023,805.32-483,979.20

Finding the Fourth Proportional to 741,782.64, 1,023,805.32 and 483,979.20

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Solution

The fourth proportional to 741,782.64, 1,023,805.32 and 483,979.20 is: 667,986.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,782.64 : 1,023,805.32 = 483,979.20 : x
  2. Step 2: Convert to fraction form
    741,782.64/1,023,805.32 = 483,979.20/x
  3. Step 3: Cross multiply
    741,782.64x = 1,023,805.32 × 483,979.20
  4. Step 4: Simplify right side
    741,782.64x = 495,500,479,729.34
  5. Step 5: Solve for x
    x = 495,500,479,729.34/741,782.64
  6. Step 6: Final answer
    x = 667,986.08

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.