Home / 558,910.12-771,296.10-304,261.24

Finding the Fourth Proportional to 558,910.12, 771,296.10 and 304,261.24

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Solution

The fourth proportional to 558,910.12, 771,296.10 and 304,261.24 is: 419,880.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,910.12 : 771,296.10 = 304,261.24 : x
  2. Step 2: Convert to fraction form
    558,910.12/771,296.10 = 304,261.24/x
  3. Step 3: Cross multiply
    558,910.12x = 771,296.10 × 304,261.24
  4. Step 4: Simplify right side
    558,910.12x = 234,675,507,793.16
  5. Step 5: Solve for x
    x = 234,675,507,793.16/558,910.12
  6. Step 6: Final answer
    x = 419,880.58

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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.