Home / 774,117.12-1,161,249.12-300,839.04

Finding the Fourth Proportional to 774,117.12, 1,161,249.12 and 300,839.04

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Solution

The fourth proportional to 774,117.12, 1,161,249.12 and 300,839.04 is: 451,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,117.12 : 1,161,249.12 = 300,839.04 : x
  2. Step 2: Convert to fraction form
    774,117.12/1,161,249.12 = 300,839.04/x
  3. Step 3: Cross multiply
    774,117.12x = 1,161,249.12 × 300,839.04
  4. Step 4: Simplify right side
    774,117.12x = 349,349,070,461.65
  5. Step 5: Solve for x
    x = 349,349,070,461.65/774,117.12
  6. Step 6: Final answer
    x = 451,287.10

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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.