Home / 868,138.08-1,302,581.34-468,699.54

Finding the Fourth Proportional to 868,138.08, 1,302,581.34 and 468,699.54

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Solution

The fourth proportional to 868,138.08, 1,302,581.34 and 468,699.54 is: 703,251.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,138.08 : 1,302,581.34 = 468,699.54 : x
  2. Step 2: Convert to fraction form
    868,138.08/1,302,581.34 = 468,699.54/x
  3. Step 3: Cross multiply
    868,138.08x = 1,302,581.34 × 468,699.54
  4. Step 4: Simplify right side
    868,138.08x = 610,519,274,870.58
  5. Step 5: Solve for x
    x = 610,519,274,870.58/868,138.08
  6. Step 6: Final answer
    x = 703,251.35

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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.