Home / 553,146.18-763,415.73-323,773.62

Finding the Fourth Proportional to 553,146.18, 763,415.73 and 323,773.62

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Solution

The fourth proportional to 553,146.18, 763,415.73 and 323,773.62 is: 446,850.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,146.18 : 763,415.73 = 323,773.62 : x
  2. Step 2: Convert to fraction form
    553,146.18/763,415.73 = 323,773.62/x
  3. Step 3: Cross multiply
    553,146.18x = 763,415.73 × 323,773.62
  4. Step 4: Simplify right side
    553,146.18x = 247,173,874,467.04
  5. Step 5: Solve for x
    x = 247,173,874,467.04/553,146.18
  6. Step 6: Final answer
    x = 446,850.91

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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.