Home / 881,019.29-1,215,709.11-488,542.38

Finding the Fourth Proportional to 881,019.29, 1,215,709.11 and 488,542.38

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Solution

The fourth proportional to 881,019.29, 1,215,709.11 and 488,542.38 is: 674,134.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,019.29 : 1,215,709.11 = 488,542.38 : x
  2. Step 2: Convert to fraction form
    881,019.29/1,215,709.11 = 488,542.38/x
  3. Step 3: Cross multiply
    881,019.29x = 1,215,709.11 × 488,542.38
  4. Step 4: Simplify right side
    881,019.29x = 593,925,421,987.08
  5. Step 5: Solve for x
    x = 593,925,421,987.08/881,019.29
  6. Step 6: Final answer
    x = 674,134.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.