Home / 534,389.23-800,311.73-309,275.25

Finding the Fourth Proportional to 534,389.23, 800,311.73 and 309,275.25

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Solution

The fourth proportional to 534,389.23, 800,311.73 and 309,275.25 is: 463,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,389.23 : 800,311.73 = 309,275.25 : x
  2. Step 2: Convert to fraction form
    534,389.23/800,311.73 = 309,275.25/x
  3. Step 3: Cross multiply
    534,389.23x = 800,311.73 × 309,275.25
  4. Step 4: Simplify right side
    534,389.23x = 247,516,610,373.68
  5. Step 5: Solve for x
    x = 247,516,610,373.68/534,389.23
  6. Step 6: Final answer
    x = 463,176.64

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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.