Home / 875,353.25-1,207,996.71-493,380.03

Finding the Fourth Proportional to 875,353.25, 1,207,996.71 and 493,380.03

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Solution

The fourth proportional to 875,353.25, 1,207,996.71 and 493,380.03 is: 680,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,353.25 : 1,207,996.71 = 493,380.03 : x
  2. Step 2: Convert to fraction form
    875,353.25/1,207,996.71 = 493,380.03/x
  3. Step 3: Cross multiply
    875,353.25x = 1,207,996.71 × 493,380.03
  4. Step 4: Simplify right side
    875,353.25x = 596,001,453,019.70
  5. Step 5: Solve for x
    x = 596,001,453,019.70/875,353.25
  6. Step 6: Final answer
    x = 680,869.64

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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.