Home / 558,908.10-771,288.48-304,258.68

Finding the Fourth Proportional to 558,908.10, 771,288.48 and 304,258.68

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Solution

The fourth proportional to 558,908.10, 771,288.48 and 304,258.68 is: 419,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,908.10 : 771,288.48 = 304,258.68 : x
  2. Step 2: Convert to fraction form
    558,908.10/771,288.48 = 304,258.68/x
  3. Step 3: Cross multiply
    558,908.10x = 771,288.48 × 304,258.68
  4. Step 4: Simplify right side
    558,908.10x = 234,671,214,824.01
  5. Step 5: Solve for x
    x = 234,671,214,824.01/558,908.10
  6. Step 6: Final answer
    x = 419,874.42

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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.