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Finding the Fourth Proportional to 1,005.26, 1,501.03 and 900.46

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Solution

The fourth proportional to 1,005.26, 1,501.03 and 900.46 is: 1,344.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005.26 : 1,501.03 = 900.46 : x
  2. Step 2: Convert to fraction form
    1,005.26/1,501.03 = 900.46/x
  3. Step 3: Cross multiply
    1,005.26x = 1,501.03 × 900.46
  4. Step 4: Simplify right side
    1,005.26x = 1,351,617.47
  5. Step 5: Solve for x
    x = 1,351,617.47/1,005.26
  6. Step 6: Final answer
    x = 1,344.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.