Home / 741,810.24-1,112,909.76-320,987.52

Finding the Fourth Proportional to 741,810.24, 1,112,909.76 and 320,987.52

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Solution

The fourth proportional to 741,810.24, 1,112,909.76 and 320,987.52 is: 481,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,810.24 : 1,112,909.76 = 320,987.52 : x
  2. Step 2: Convert to fraction form
    741,810.24/1,112,909.76 = 320,987.52/x
  3. Step 3: Cross multiply
    741,810.24x = 1,112,909.76 × 320,987.52
  4. Step 4: Simplify right side
    741,810.24x = 357,230,143,846.20
  5. Step 5: Solve for x
    x = 357,230,143,846.20/741,810.24
  6. Step 6: Final answer
    x = 481,565.40

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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.