Home / 685,549.59-1,029,900.96-483,610.47

Finding the Fourth Proportional to 685,549.59, 1,029,900.96 and 483,610.47

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Solution

The fourth proportional to 685,549.59, 1,029,900.96 and 483,610.47 is: 726,527.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,549.59 : 1,029,900.96 = 483,610.47 : x
  2. Step 2: Convert to fraction form
    685,549.59/1,029,900.96 = 483,610.47/x
  3. Step 3: Cross multiply
    685,549.59x = 1,029,900.96 × 483,610.47
  4. Step 4: Simplify right side
    685,549.59x = 498,070,887,319.05
  5. Step 5: Solve for x
    x = 498,070,887,319.05/685,549.59
  6. Step 6: Final answer
    x = 726,527.88

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1.5x scale

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.