Home / 723,904.45-998,165.05-461,907.32

Finding the Fourth Proportional to 723,904.45, 998,165.05 and 461,907.32

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Solution

The fourth proportional to 723,904.45, 998,165.05 and 461,907.32 is: 636,906.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,904.45 : 998,165.05 = 461,907.32 : x
  2. Step 2: Convert to fraction form
    723,904.45/998,165.05 = 461,907.32/x
  3. Step 3: Cross multiply
    723,904.45x = 998,165.05 × 461,907.32
  4. Step 4: Simplify right side
    723,904.45x = 461,059,743,163.17
  5. Step 5: Solve for x
    x = 461,059,743,163.17/723,904.45
  6. Step 6: Final answer
    x = 636,906.91

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Double scale
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1.5x scale

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.