Home / 648,470.24-972,740.83-269,429.30

Finding the Fourth Proportional to 648,470.24, 972,740.83 and 269,429.30

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Solution

The fourth proportional to 648,470.24, 972,740.83 and 269,429.30 is: 404,158.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,470.24 : 972,740.83 = 269,429.30 : x
  2. Step 2: Convert to fraction form
    648,470.24/972,740.83 = 269,429.30/x
  3. Step 3: Cross multiply
    648,470.24x = 972,740.83 × 269,429.30
  4. Step 4: Simplify right side
    648,470.24x = 262,084,875,371.04
  5. Step 5: Solve for x
    x = 262,084,875,371.04/648,470.24
  6. Step 6: Final answer
    x = 404,158.68

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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.