Home / 752,467.88-1,038,418.34-412,967.72

Finding the Fourth Proportional to 752,467.88, 1,038,418.34 and 412,967.72

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Solution

The fourth proportional to 752,467.88, 1,038,418.34 and 412,967.72 is: 569,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,467.88 : 1,038,418.34 = 412,967.72 : x
  2. Step 2: Convert to fraction form
    752,467.88/1,038,418.34 = 412,967.72/x
  3. Step 3: Cross multiply
    752,467.88x = 1,038,418.34 × 412,967.72
  4. Step 4: Simplify right side
    752,467.88x = 428,833,254,275.99
  5. Step 5: Solve for x
    x = 428,833,254,275.99/752,467.88
  6. Step 6: Final answer
    x = 569,902.40

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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.