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Finding the Fourth Proportional to 534,902.40, 802,353.60 and 345,945.60

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Solution

The fourth proportional to 534,902.40, 802,353.60 and 345,945.60 is: 518,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,902.40 : 802,353.60 = 345,945.60 : x
  2. Step 2: Convert to fraction form
    534,902.40/802,353.60 = 345,945.60/x
  3. Step 3: Cross multiply
    534,902.40x = 802,353.60 × 345,945.60
  4. Step 4: Simplify right side
    534,902.40x = 277,570,697,564.16
  5. Step 5: Solve for x
    x = 277,570,697,564.16/534,902.40
  6. Step 6: Final answer
    x = 518,918.40

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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.