Home / 725,705.13-1,088,182.67-326,004.15

Finding the Fourth Proportional to 725,705.13, 1,088,182.67 and 326,004.15

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Solution

The fourth proportional to 725,705.13, 1,088,182.67 and 326,004.15 is: 488,837.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,705.13 : 1,088,182.67 = 326,004.15 : x
  2. Step 2: Convert to fraction form
    725,705.13/1,088,182.67 = 326,004.15/x
  3. Step 3: Cross multiply
    725,705.13x = 1,088,182.67 × 326,004.15
  4. Step 4: Simplify right side
    725,705.13x = 354,752,064,748.06
  5. Step 5: Solve for x
    x = 354,752,064,748.06/725,705.13
  6. Step 6: Final answer
    x = 488,837.75

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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.