Home / 734,112.79-1,101,570.40-284,851.28

Finding the Fourth Proportional to 734,112.79, 1,101,570.40 and 284,851.28

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Solution

The fourth proportional to 734,112.79, 1,101,570.40 and 284,851.28 is: 427,432.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,112.79 : 1,101,570.40 = 284,851.28 : x
  2. Step 2: Convert to fraction form
    734,112.79/1,101,570.40 = 284,851.28/x
  3. Step 3: Cross multiply
    734,112.79x = 1,101,570.40 × 284,851.28
  4. Step 4: Simplify right side
    734,112.79x = 313,783,741,560.10
  5. Step 5: Solve for x
    x = 313,783,741,560.10/734,112.79
  6. Step 6: Final answer
    x = 427,432.61

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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.