Home / 558,977.94-771,403.50-304,343.10

Finding the Fourth Proportional to 558,977.94, 771,403.50 and 304,343.10

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Solution

The fourth proportional to 558,977.94, 771,403.50 and 304,343.10 is: 420,001.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,977.94 : 771,403.50 = 304,343.10 : x
  2. Step 2: Convert to fraction form
    558,977.94/771,403.50 = 304,343.10/x
  3. Step 3: Cross multiply
    558,977.94x = 771,403.50 × 304,343.10
  4. Step 4: Simplify right side
    558,977.94x = 234,771,332,540.85
  5. Step 5: Solve for x
    x = 234,771,332,540.85/558,977.94
  6. Step 6: Final answer
    x = 420,001.07

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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.