Home / 724,714.98-1,086,643.17-219,122.70

Finding the Fourth Proportional to 724,714.98, 1,086,643.17 and 219,122.70

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Solution

The fourth proportional to 724,714.98, 1,086,643.17 and 219,122.70 is: 328,554.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,714.98 : 1,086,643.17 = 219,122.70 : x
  2. Step 2: Convert to fraction form
    724,714.98/1,086,643.17 = 219,122.70/x
  3. Step 3: Cross multiply
    724,714.98x = 1,086,643.17 × 219,122.70
  4. Step 4: Simplify right side
    724,714.98x = 238,108,185,346.96
  5. Step 5: Solve for x
    x = 238,108,185,346.96/724,714.98
  6. Step 6: Final answer
    x = 328,554.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.