Home / 464,616.02-641,352.47-329,356.96

Finding the Fourth Proportional to 464,616.02, 641,352.47 and 329,356.96

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Solution

The fourth proportional to 464,616.02, 641,352.47 and 329,356.96 is: 454,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,616.02 : 641,352.47 = 329,356.96 : x
  2. Step 2: Convert to fraction form
    464,616.02/641,352.47 = 329,356.96/x
  3. Step 3: Cross multiply
    464,616.02x = 641,352.47 × 329,356.96
  4. Step 4: Simplify right side
    464,616.02x = 211,233,896,557.53
  5. Step 5: Solve for x
    x = 211,233,896,557.53/464,616.02
  6. Step 6: Final answer
    x = 454,641.87

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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.