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Finding the Fourth Proportional to 902,826, 1,245,900.06 and 500,418

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Solution

The fourth proportional to 902,826, 1,245,900.06 and 500,418 is: 690,576.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,826 : 1,245,900.06 = 500,418 : x
  2. Step 2: Convert to fraction form
    902,826/1,245,900.06 = 500,418/x
  3. Step 3: Cross multiply
    902,826x = 1,245,900.06 × 500,418
  4. Step 4: Simplify right side
    902,826x = 623,470,816,225.08
  5. Step 5: Solve for x
    x = 623,470,816,225.08/902,826
  6. Step 6: Final answer
    x = 690,576.94

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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.