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Finding the Fourth Proportional to 675,762.75, 1,013,677.86 and 202,403.01

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Solution

The fourth proportional to 675,762.75, 1,013,677.86 and 202,403.01 is: 303,614.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,762.75 : 1,013,677.86 = 202,403.01 : x
  2. Step 2: Convert to fraction form
    675,762.75/1,013,677.86 = 202,403.01/x
  3. Step 3: Cross multiply
    675,762.75x = 1,013,677.86 × 202,403.01
  4. Step 4: Simplify right side
    675,762.75x = 205,171,450,034.36
  5. Step 5: Solve for x
    x = 205,171,450,034.36/675,762.75
  6. Step 6: Final answer
    x = 303,614.62

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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.