Home / 754,010.71-1,040,542.18-409,846.43

Finding the Fourth Proportional to 754,010.71, 1,040,542.18 and 409,846.43

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Solution

The fourth proportional to 754,010.71, 1,040,542.18 and 409,846.43 is: 565,592.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,010.71 : 1,040,542.18 = 409,846.43 : x
  2. Step 2: Convert to fraction form
    754,010.71/1,040,542.18 = 409,846.43/x
  3. Step 3: Cross multiply
    754,010.71x = 1,040,542.18 × 409,846.43
  4. Step 4: Simplify right side
    754,010.71x = 426,462,495,688.19
  5. Step 5: Solve for x
    x = 426,462,495,688.19/754,010.71
  6. Step 6: Final answer
    x = 565,592.09

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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.