Home / 558,768.64-771,098.52-304,121.92

Finding the Fourth Proportional to 558,768.64, 771,098.52 and 304,121.92

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Solution

The fourth proportional to 558,768.64, 771,098.52 and 304,121.92 is: 419,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,768.64 : 771,098.52 = 304,121.92 : x
  2. Step 2: Convert to fraction form
    558,768.64/771,098.52 = 304,121.92/x
  3. Step 3: Cross multiply
    558,768.64x = 771,098.52 × 304,121.92
  4. Step 4: Simplify right side
    558,768.64x = 234,507,962,411.56
  5. Step 5: Solve for x
    x = 234,507,962,411.56/558,768.64
  6. Step 6: Final answer
    x = 419,687.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.