Home / 558,971.20-771,354.84-304,321.84

Finding the Fourth Proportional to 558,971.20, 771,354.84 and 304,321.84

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Solution

The fourth proportional to 558,971.20, 771,354.84 and 304,321.84 is: 419,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,971.20 : 771,354.84 = 304,321.84 : x
  2. Step 2: Convert to fraction form
    558,971.20/771,354.84 = 304,321.84/x
  3. Step 3: Cross multiply
    558,971.20x = 771,354.84 × 304,321.84
  4. Step 4: Simplify right side
    558,971.20x = 234,740,124,201.71
  5. Step 5: Solve for x
    x = 234,740,124,201.71/558,971.20
  6. Step 6: Final answer
    x = 419,950.30

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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.