Home / 774,169.12-1,160,955.12-300,792.16

Finding the Fourth Proportional to 774,169.12, 1,160,955.12 and 300,792.16

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Solution

The fourth proportional to 774,169.12, 1,160,955.12 and 300,792.16 is: 451,072.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,169.12 : 1,160,955.12 = 300,792.16 : x
  2. Step 2: Convert to fraction form
    774,169.12/1,160,955.12 = 300,792.16/x
  3. Step 3: Cross multiply
    774,169.12x = 1,160,955.12 × 300,792.16
  4. Step 4: Simplify right side
    774,169.12x = 349,206,198,207.86
  5. Step 5: Solve for x
    x = 349,206,198,207.86/774,169.12
  6. Step 6: Final answer
    x = 451,072.24

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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.