Home / 390,066.08-585,057.20-264,512.24

Finding the Fourth Proportional to 390,066.08, 585,057.20 and 264,512.24

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Solution

The fourth proportional to 390,066.08, 585,057.20 and 264,512.24 is: 396,739.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,066.08 : 585,057.20 = 264,512.24 : x
  2. Step 2: Convert to fraction form
    390,066.08/585,057.20 = 264,512.24/x
  3. Step 3: Cross multiply
    390,066.08x = 585,057.20 × 264,512.24
  4. Step 4: Simplify right side
    390,066.08x = 154,754,790,500.13
  5. Step 5: Solve for x
    x = 154,754,790,500.13/390,066.08
  6. Step 6: Final answer
    x = 396,739.93

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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.