Home / 763,520.52-1,144,889.22-403,885.56

Finding the Fourth Proportional to 763,520.52, 1,144,889.22 and 403,885.56

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Solution

The fourth proportional to 763,520.52, 1,144,889.22 and 403,885.56 is: 605,621.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,520.52 : 1,144,889.22 = 403,885.56 : x
  2. Step 2: Convert to fraction form
    763,520.52/1,144,889.22 = 403,885.56/x
  3. Step 3: Cross multiply
    763,520.52x = 1,144,889.22 × 403,885.56
  4. Step 4: Simplify right side
    763,520.52x = 462,404,223,757.66
  5. Step 5: Solve for x
    x = 462,404,223,757.66/763,520.52
  6. Step 6: Final answer
    x = 605,621.21

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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.