Home / 725,958.40-1,088,937.60-620,982.40

Finding the Fourth Proportional to 725,958.40, 1,088,937.60 and 620,982.40

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Solution

The fourth proportional to 725,958.40, 1,088,937.60 and 620,982.40 is: 931,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,958.40 : 1,088,937.60 = 620,982.40 : x
  2. Step 2: Convert to fraction form
    725,958.40/1,088,937.60 = 620,982.40/x
  3. Step 3: Cross multiply
    725,958.40x = 1,088,937.60 × 620,982.40
  4. Step 4: Simplify right side
    725,958.40x = 676,211,084,298.24
  5. Step 5: Solve for x
    x = 676,211,084,298.24/725,958.40
  6. Step 6: Final answer
    x = 931,473.60

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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.