Home / 547,822.61-756,024.41-306,111.05

Finding the Fourth Proportional to 547,822.61, 756,024.41 and 306,111.05

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Solution

The fourth proportional to 547,822.61, 756,024.41 and 306,111.05 is: 422,449.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,822.61 : 756,024.41 = 306,111.05 : x
  2. Step 2: Convert to fraction form
    547,822.61/756,024.41 = 306,111.05/x
  3. Step 3: Cross multiply
    547,822.61x = 756,024.41 × 306,111.05
  4. Step 4: Simplify right side
    547,822.61x = 231,427,424,440.18
  5. Step 5: Solve for x
    x = 231,427,424,440.18/547,822.61
  6. Step 6: Final answer
    x = 422,449.57

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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.