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Finding the Fourth Proportional to 873.33, 1,310.46 and 483.49

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Solution

The fourth proportional to 873.33, 1,310.46 and 483.49 is: 725.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    873.33 : 1,310.46 = 483.49 : x
  2. Step 2: Convert to fraction form
    873.33/1,310.46 = 483.49/x
  3. Step 3: Cross multiply
    873.33x = 1,310.46 × 483.49
  4. Step 4: Simplify right side
    873.33x = 633,594.31
  5. Step 5: Solve for x
    x = 633,594.31/873.33
  6. Step 6: Final answer
    x = 725.49

Related Problems

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Half scale
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Double scale
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1.5x scale

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.