Home / 398,629.32-597,267.36-240,525.60

Finding the Fourth Proportional to 398,629.32, 597,267.36 and 240,525.60

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Solution

The fourth proportional to 398,629.32, 597,267.36 and 240,525.60 is: 360,380.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,629.32 : 597,267.36 = 240,525.60 : x
  2. Step 2: Convert to fraction form
    398,629.32/597,267.36 = 240,525.60/x
  3. Step 3: Cross multiply
    398,629.32x = 597,267.36 × 240,525.60
  4. Step 4: Simplify right side
    398,629.32x = 143,658,090,124.42
  5. Step 5: Solve for x
    x = 143,658,090,124.42/398,629.32
  6. Step 6: Final answer
    x = 360,380.14

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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.