Home / 451,922.34-623,672.37-270,663.78

Finding the Fourth Proportional to 451,922.34, 623,672.37 and 270,663.78

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Solution

The fourth proportional to 451,922.34, 623,672.37 and 270,663.78 is: 373,527.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,922.34 : 623,672.37 = 270,663.78 : x
  2. Step 2: Convert to fraction form
    451,922.34/623,672.37 = 270,663.78/x
  3. Step 3: Cross multiply
    451,922.34x = 623,672.37 × 270,663.78
  4. Step 4: Simplify right side
    451,922.34x = 168,805,521,145.76
  5. Step 5: Solve for x
    x = 168,805,521,145.76/451,922.34
  6. Step 6: Final answer
    x = 373,527.72

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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.