Home / 648,414.78-972,619.29-175,148.70

Finding the Fourth Proportional to 648,414.78, 972,619.29 and 175,148.70

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Solution

The fourth proportional to 648,414.78, 972,619.29 and 175,148.70 is: 262,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,414.78 : 972,619.29 = 175,148.70 : x
  2. Step 2: Convert to fraction form
    648,414.78/972,619.29 = 175,148.70/x
  3. Step 3: Cross multiply
    648,414.78x = 972,619.29 × 175,148.70
  4. Step 4: Simplify right side
    648,414.78x = 170,353,004,238.42
  5. Step 5: Solve for x
    x = 170,353,004,238.42/648,414.78
  6. Step 6: Final answer
    x = 262,722.27

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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.