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Finding the Fourth Proportional to 605,957.02, 908,837.09 and 286,108.27

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Solution

The fourth proportional to 605,957.02, 908,837.09 and 286,108.27 is: 429,115.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,957.02 : 908,837.09 = 286,108.27 : x
  2. Step 2: Convert to fraction form
    605,957.02/908,837.09 = 286,108.27/x
  3. Step 3: Cross multiply
    605,957.02x = 908,837.09 × 286,108.27
  4. Step 4: Simplify right side
    605,957.02x = 260,025,801,557.01
  5. Step 5: Solve for x
    x = 260,025,801,557.01/605,957.02
  6. Step 6: Final answer
    x = 429,115.92

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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.