Home / 741,520-1,023,291.52-401,979.52

Finding the Fourth Proportional to 741,520, 1,023,291.52 and 401,979.52

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Solution

The fourth proportional to 741,520, 1,023,291.52 and 401,979.52 is: 554,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,520 : 1,023,291.52 = 401,979.52 : x
  2. Step 2: Convert to fraction form
    741,520/1,023,291.52 = 401,979.52/x
  3. Step 3: Cross multiply
    741,520x = 1,023,291.52 × 401,979.52
  4. Step 4: Simplify right side
    741,520x = 411,342,234,029.67
  5. Step 5: Solve for x
    x = 411,342,234,029.67/741,520
  6. Step 6: Final answer
    x = 554,728.44

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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.