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Finding the Fourth Proportional to 884.77, 1,220.94 and 590.00

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Solution

The fourth proportional to 884.77, 1,220.94 and 590.00 is: 814.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.77 : 1,220.94 = 590.00 : x
  2. Step 2: Convert to fraction form
    884.77/1,220.94 = 590.00/x
  3. Step 3: Cross multiply
    884.77x = 1,220.94 × 590.00
  4. Step 4: Simplify right side
    884.77x = 720,348.50
  5. Step 5: Solve for x
    x = 720,348.50/884.77
  6. Step 6: Final answer
    x = 814.17

Related Problems

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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.