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Finding the Fourth Proportional to 589.01, 811.13 and 576.77

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Solution

The fourth proportional to 589.01, 811.13 and 576.77 is: 794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.01 : 811.13 = 576.77 : x
  2. Step 2: Convert to fraction form
    589.01/811.13 = 576.77/x
  3. Step 3: Cross multiply
    589.01x = 811.13 × 576.77
  4. Step 4: Simplify right side
    589.01x = 467,832.84
  5. Step 5: Solve for x
    x = 467,832.84/589.01
  6. Step 6: Final answer
    x = 794.28

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.