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Finding the Fourth Proportional to 566,553.70, 849,830.55 and 327,077.20

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Solution

The fourth proportional to 566,553.70, 849,830.55 and 327,077.20 is: 490,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,553.70 : 849,830.55 = 327,077.20 : x
  2. Step 2: Convert to fraction form
    566,553.70/849,830.55 = 327,077.20/x
  3. Step 3: Cross multiply
    566,553.70x = 849,830.55 × 327,077.20
  4. Step 4: Simplify right side
    566,553.70x = 277,960,196,768.46
  5. Step 5: Solve for x
    x = 277,960,196,768.46/566,553.70
  6. Step 6: Final answer
    x = 490,615.80

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Half scale
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Double scale
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Similar ratio
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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.