Home / 433,645.92-649,054.14-392,213.20

Finding the Fourth Proportional to 433,645.92, 649,054.14 and 392,213.20

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Solution

The fourth proportional to 433,645.92, 649,054.14 and 392,213.20 is: 587,040.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,645.92 : 649,054.14 = 392,213.20 : x
  2. Step 2: Convert to fraction form
    433,645.92/649,054.14 = 392,213.20/x
  3. Step 3: Cross multiply
    433,645.92x = 649,054.14 × 392,213.20
  4. Step 4: Simplify right side
    433,645.92x = 254,567,601,362.02
  5. Step 5: Solve for x
    x = 254,567,601,362.02/433,645.92
  6. Step 6: Final answer
    x = 587,040.24

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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.