Home / 558,749.64-771,072.30-304,102.92

Finding the Fourth Proportional to 558,749.64, 771,072.30 and 304,102.92

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Solution

The fourth proportional to 558,749.64, 771,072.30 and 304,102.92 is: 419,660.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,749.64 : 771,072.30 = 304,102.92 : x
  2. Step 2: Convert to fraction form
    558,749.64/771,072.30 = 304,102.92/x
  3. Step 3: Cross multiply
    558,749.64x = 771,072.30 × 304,102.92
  4. Step 4: Simplify right side
    558,749.64x = 234,485,337,961.12
  5. Step 5: Solve for x
    x = 234,485,337,961.12/558,749.64
  6. Step 6: Final answer
    x = 419,660.83

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1.5x scale

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.