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Finding the Fourth Proportional to 1,202.48, 1,803.78 and 586.71

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Solution

The fourth proportional to 1,202.48, 1,803.78 and 586.71 is: 880.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202.48 : 1,803.78 = 586.71 : x
  2. Step 2: Convert to fraction form
    1,202.48/1,803.78 = 586.71/x
  3. Step 3: Cross multiply
    1,202.48x = 1,803.78 × 586.71
  4. Step 4: Simplify right side
    1,202.48x = 1,058,283.81
  5. Step 5: Solve for x
    x = 1,058,283.81/1,202.48
  6. Step 6: Final answer
    x = 880.09

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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.