Home / 558,971.10-771,379.06-304,321.68

Finding the Fourth Proportional to 558,971.10, 771,379.06 and 304,321.68

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Solution

The fourth proportional to 558,971.10, 771,379.06 and 304,321.68 is: 419,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,971.10 : 771,379.06 = 304,321.68 : x
  2. Step 2: Convert to fraction form
    558,971.10/771,379.06 = 304,321.68/x
  3. Step 3: Cross multiply
    558,971.10x = 771,379.06 × 304,321.68
  4. Step 4: Simplify right side
    558,971.10x = 234,747,371,456.02
  5. Step 5: Solve for x
    x = 234,747,371,456.02/558,971.10
  6. Step 6: Final answer
    x = 419,963.34

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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.