Home / 742,197.60-1,113,231.60-243,561.60

Finding the Fourth Proportional to 742,197.60, 1,113,231.60 and 243,561.60

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Solution

The fourth proportional to 742,197.60, 1,113,231.60 and 243,561.60 is: 365,321.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,197.60 : 1,113,231.60 = 243,561.60 : x
  2. Step 2: Convert to fraction form
    742,197.60/1,113,231.60 = 243,561.60/x
  3. Step 3: Cross multiply
    742,197.60x = 1,113,231.60 × 243,561.60
  4. Step 4: Simplify right side
    742,197.60x = 271,140,469,666.56
  5. Step 5: Solve for x
    x = 271,140,469,666.56/742,197.60
  6. Step 6: Final answer
    x = 365,321.14

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Double scale
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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.