Home / 954,625.92-1,431,938.34-280,712.82

Finding the Fourth Proportional to 954,625.92, 1,431,938.34 and 280,712.82

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Solution

The fourth proportional to 954,625.92, 1,431,938.34 and 280,712.82 is: 421,069.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,625.92 : 1,431,938.34 = 280,712.82 : x
  2. Step 2: Convert to fraction form
    954,625.92/1,431,938.34 = 280,712.82/x
  3. Step 3: Cross multiply
    954,625.92x = 1,431,938.34 × 280,712.82
  4. Step 4: Simplify right side
    954,625.92x = 401,963,449,487.52
  5. Step 5: Solve for x
    x = 401,963,449,487.52/954,625.92
  6. Step 6: Final answer
    x = 421,069.07

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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.