Home / 909,872.62-1,364,983.90-348,863.38

Finding the Fourth Proportional to 909,872.62, 1,364,983.90 and 348,863.38

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Solution

The fourth proportional to 909,872.62, 1,364,983.90 and 348,863.38 is: 523,362.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,872.62 : 1,364,983.90 = 348,863.38 : x
  2. Step 2: Convert to fraction form
    909,872.62/1,364,983.90 = 348,863.38/x
  3. Step 3: Cross multiply
    909,872.62x = 1,364,983.90 × 348,863.38
  4. Step 4: Simplify right side
    909,872.62x = 476,192,896,999.58
  5. Step 5: Solve for x
    x = 476,192,896,999.58/909,872.62
  6. Step 6: Final answer
    x = 523,362.16

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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.