Home / 559,679.13-839,256.20-204,444.72

Finding the Fourth Proportional to 559,679.13, 839,256.20 and 204,444.72

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Solution

The fourth proportional to 559,679.13, 839,256.20 and 204,444.72 is: 306,571.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,679.13 : 839,256.20 = 204,444.72 : x
  2. Step 2: Convert to fraction form
    559,679.13/839,256.20 = 204,444.72/x
  3. Step 3: Cross multiply
    559,679.13x = 839,256.20 × 204,444.72
  4. Step 4: Simplify right side
    559,679.13x = 171,581,497,795.04
  5. Step 5: Solve for x
    x = 171,581,497,795.04/559,679.13
  6. Step 6: Final answer
    x = 306,571.19

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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.