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Finding the Fourth Proportional to 816.03, 1,124.96 and 582.75

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Solution

The fourth proportional to 816.03, 1,124.96 and 582.75 is: 803.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    816.03 : 1,124.96 = 582.75 : x
  2. Step 2: Convert to fraction form
    816.03/1,124.96 = 582.75/x
  3. Step 3: Cross multiply
    816.03x = 1,124.96 × 582.75
  4. Step 4: Simplify right side
    816.03x = 655,567.53
  5. Step 5: Solve for x
    x = 655,567.53/816.03
  6. Step 6: Final answer
    x = 803.36

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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.