Home / 868,663.12-1,303,158.37-329,081.02

Finding the Fourth Proportional to 868,663.12, 1,303,158.37 and 329,081.02

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Solution

The fourth proportional to 868,663.12, 1,303,158.37 and 329,081.02 is: 493,683.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,663.12 : 1,303,158.37 = 329,081.02 : x
  2. Step 2: Convert to fraction form
    868,663.12/1,303,158.37 = 329,081.02/x
  3. Step 3: Cross multiply
    868,663.12x = 1,303,158.37 × 329,081.02
  4. Step 4: Simplify right side
    868,663.12x = 428,844,685,621.14
  5. Step 5: Solve for x
    x = 428,844,685,621.14/868,663.12
  6. Step 6: Final answer
    x = 493,683.54

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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.