Home / 542,330.73-748,452.43-300,623.49

Finding the Fourth Proportional to 542,330.73, 748,452.43 and 300,623.49

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Solution

The fourth proportional to 542,330.73, 748,452.43 and 300,623.49 is: 414,880.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,330.73 : 748,452.43 = 300,623.49 : x
  2. Step 2: Convert to fraction form
    542,330.73/748,452.43 = 300,623.49/x
  3. Step 3: Cross multiply
    542,330.73x = 748,452.43 × 300,623.49
  4. Step 4: Simplify right side
    542,330.73x = 225,002,381,981.36
  5. Step 5: Solve for x
    x = 225,002,381,981.36/542,330.73
  6. Step 6: Final answer
    x = 414,880.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.