Home / 780,299.66-1,170,449.50-219,334.16

Finding the Fourth Proportional to 780,299.66, 1,170,449.50 and 219,334.16

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Solution

The fourth proportional to 780,299.66, 1,170,449.50 and 219,334.16 is: 329,001.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,299.66 : 1,170,449.50 = 219,334.16 : x
  2. Step 2: Convert to fraction form
    780,299.66/1,170,449.50 = 219,334.16/x
  3. Step 3: Cross multiply
    780,299.66x = 1,170,449.50 × 219,334.16
  4. Step 4: Simplify right side
    780,299.66x = 256,719,552,052.67
  5. Step 5: Solve for x
    x = 256,719,552,052.67/780,299.66
  6. Step 6: Final answer
    x = 329,001.24

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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.