Home / 902,112.40-1,353,168.60-403,476.40

Finding the Fourth Proportional to 902,112.40, 1,353,168.60 and 403,476.40

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Solution

The fourth proportional to 902,112.40, 1,353,168.60 and 403,476.40 is: 605,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,112.40 : 1,353,168.60 = 403,476.40 : x
  2. Step 2: Convert to fraction form
    902,112.40/1,353,168.60 = 403,476.40/x
  3. Step 3: Cross multiply
    902,112.40x = 1,353,168.60 × 403,476.40
  4. Step 4: Simplify right side
    902,112.40x = 545,971,595,321.04
  5. Step 5: Solve for x
    x = 545,971,595,321.04/902,112.40
  6. Step 6: Final answer
    x = 605,214.60

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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.