Home / 878,848.08-1,212,819.90-516,287.22

Finding the Fourth Proportional to 878,848.08, 1,212,819.90 and 516,287.22

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Solution

The fourth proportional to 878,848.08, 1,212,819.90 and 516,287.22 is: 712,481.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,848.08 : 1,212,819.90 = 516,287.22 : x
  2. Step 2: Convert to fraction form
    878,848.08/1,212,819.90 = 516,287.22/x
  3. Step 3: Cross multiply
    878,848.08x = 1,212,819.90 × 516,287.22
  4. Step 4: Simplify right side
    878,848.08x = 626,163,412,595.60
  5. Step 5: Solve for x
    x = 626,163,412,595.60/878,848.08
  6. Step 6: Final answer
    x = 712,481.97

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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.