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Finding the Fourth Proportional to 586,835.38, 880,149.02 and 266,912.51

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Solution

The fourth proportional to 586,835.38, 880,149.02 and 266,912.51 is: 400,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,835.38 : 880,149.02 = 266,912.51 : x
  2. Step 2: Convert to fraction form
    586,835.38/880,149.02 = 266,912.51/x
  3. Step 3: Cross multiply
    586,835.38x = 880,149.02 × 266,912.51
  4. Step 4: Simplify right side
    586,835.38x = 234,922,786,969.89
  5. Step 5: Solve for x
    x = 234,922,786,969.89/586,835.38
  6. Step 6: Final answer
    x = 400,321.45

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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.