Home / 643,215.78-964,898.55-244,155.06

Finding the Fourth Proportional to 643,215.78, 964,898.55 and 244,155.06

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Solution

The fourth proportional to 643,215.78, 964,898.55 and 244,155.06 is: 366,261.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,215.78 : 964,898.55 = 244,155.06 : x
  2. Step 2: Convert to fraction form
    643,215.78/964,898.55 = 244,155.06/x
  3. Step 3: Cross multiply
    643,215.78x = 964,898.55 × 244,155.06
  4. Step 4: Simplify right side
    643,215.78x = 235,584,863,369.16
  5. Step 5: Solve for x
    x = 235,584,863,369.16/643,215.78
  6. Step 6: Final answer
    x = 366,261.01

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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.