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Finding the Fourth Proportional to 528,002.60, 792,003.90 and 233,090.60

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Solution

The fourth proportional to 528,002.60, 792,003.90 and 233,090.60 is: 349,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,002.60 : 792,003.90 = 233,090.60 : x
  2. Step 2: Convert to fraction form
    528,002.60/792,003.90 = 233,090.60/x
  3. Step 3: Cross multiply
    528,002.60x = 792,003.90 × 233,090.60
  4. Step 4: Simplify right side
    528,002.60x = 184,608,664,253.34
  5. Step 5: Solve for x
    x = 184,608,664,253.34/528,002.60
  6. Step 6: Final answer
    x = 349,635.90

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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.