Home / 457,386.44-686,081.15-115,829.67

Finding the Fourth Proportional to 457,386.44, 686,081.15 and 115,829.67

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Solution

The fourth proportional to 457,386.44, 686,081.15 and 115,829.67 is: 173,744.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,386.44 : 686,081.15 = 115,829.67 : x
  2. Step 2: Convert to fraction form
    457,386.44/686,081.15 = 115,829.67/x
  3. Step 3: Cross multiply
    457,386.44x = 686,081.15 × 115,829.67
  4. Step 4: Simplify right side
    457,386.44x = 79,468,552,618.57
  5. Step 5: Solve for x
    x = 79,468,552,618.57/457,386.44
  6. Step 6: Final answer
    x = 173,744.88

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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.