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Finding the Fourth Proportional to 1,122.33, 1,548.77 and 624.96

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Solution

The fourth proportional to 1,122.33, 1,548.77 and 624.96 is: 862.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122.33 : 1,548.77 = 624.96 : x
  2. Step 2: Convert to fraction form
    1,122.33/1,548.77 = 624.96/x
  3. Step 3: Cross multiply
    1,122.33x = 1,548.77 × 624.96
  4. Step 4: Simplify right side
    1,122.33x = 967,916.17
  5. Step 5: Solve for x
    x = 967,916.17/1,122.33
  6. Step 6: Final answer
    x = 862.42

Related Problems

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1.5x scale

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.