Home / 480,231.66-720,321.52-243,568.20

Finding the Fourth Proportional to 480,231.66, 720,321.52 and 243,568.20

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Solution

The fourth proportional to 480,231.66, 720,321.52 and 243,568.20 is: 365,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,231.66 : 720,321.52 = 243,568.20 : x
  2. Step 2: Convert to fraction form
    480,231.66/720,321.52 = 243,568.20/x
  3. Step 3: Cross multiply
    480,231.66x = 720,321.52 × 243,568.20
  4. Step 4: Simplify right side
    480,231.66x = 175,447,416,047.66
  5. Step 5: Solve for x
    x = 175,447,416,047.66/480,231.66
  6. Step 6: Final answer
    x = 365,339.13

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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.