Home / 747,020-1,120,539.76-248,384

Finding the Fourth Proportional to 747,020, 1,120,539.76 and 248,384

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Solution

The fourth proportional to 747,020, 1,120,539.76 and 248,384 is: 372,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,020 : 1,120,539.76 = 248,384 : x
  2. Step 2: Convert to fraction form
    747,020/1,120,539.76 = 248,384/x
  3. Step 3: Cross multiply
    747,020x = 1,120,539.76 × 248,384
  4. Step 4: Simplify right side
    747,020x = 278,324,147,747.84
  5. Step 5: Solve for x
    x = 278,324,147,747.84/747,020
  6. Step 6: Final answer
    x = 372,579.25

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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.