Home / 762,512.88-1,143,777.56-230,038.55

Finding the Fourth Proportional to 762,512.88, 1,143,777.56 and 230,038.55

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Solution

The fourth proportional to 762,512.88, 1,143,777.56 and 230,038.55 is: 345,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,512.88 : 1,143,777.56 = 230,038.55 : x
  2. Step 2: Convert to fraction form
    762,512.88/1,143,777.56 = 230,038.55/x
  3. Step 3: Cross multiply
    762,512.88x = 1,143,777.56 × 230,038.55
  4. Step 4: Simplify right side
    762,512.88x = 263,112,924,555.86
  5. Step 5: Solve for x
    x = 263,112,924,555.86/762,512.88
  6. Step 6: Final answer
    x = 345,060.30

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1.5x scale

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.