Home / 648,233.28-972,020.52-378,452.52

Finding the Fourth Proportional to 648,233.28, 972,020.52 and 378,452.52

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Solution

The fourth proportional to 648,233.28, 972,020.52 and 378,452.52 is: 567,486.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,233.28 : 972,020.52 = 378,452.52 : x
  2. Step 2: Convert to fraction form
    648,233.28/972,020.52 = 378,452.52/x
  3. Step 3: Cross multiply
    648,233.28x = 972,020.52 × 378,452.52
  4. Step 4: Simplify right side
    648,233.28x = 367,863,615,285.71
  5. Step 5: Solve for x
    x = 367,863,615,285.71/648,233.28
  6. Step 6: Final answer
    x = 567,486.47

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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.