Home / 685,555.60-1,029,909.96-483,616.48

Finding the Fourth Proportional to 685,555.60, 1,029,909.96 and 483,616.48

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Solution

The fourth proportional to 685,555.60, 1,029,909.96 and 483,616.48 is: 726,536.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,555.60 : 1,029,909.96 = 483,616.48 : x
  2. Step 2: Convert to fraction form
    685,555.60/1,029,909.96 = 483,616.48/x
  3. Step 3: Cross multiply
    685,555.60x = 1,029,909.96 × 483,616.48
  4. Step 4: Simplify right side
    685,555.60x = 498,081,429,572.14
  5. Step 5: Solve for x
    x = 498,081,429,572.14/685,555.60
  6. Step 6: Final answer
    x = 726,536.88

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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.