Home / 403,359.30-605,622.15-304,215.30

Finding the Fourth Proportional to 403,359.30, 605,622.15 and 304,215.30

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Solution

The fourth proportional to 403,359.30, 605,622.15 and 304,215.30 is: 456,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,359.30 : 605,622.15 = 304,215.30 : x
  2. Step 2: Convert to fraction form
    403,359.30/605,622.15 = 304,215.30/x
  3. Step 3: Cross multiply
    403,359.30x = 605,622.15 × 304,215.30
  4. Step 4: Simplify right side
    403,359.30x = 184,239,524,048.90
  5. Step 5: Solve for x
    x = 184,239,524,048.90/403,359.30
  6. Step 6: Final answer
    x = 456,762.80

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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.