Home / 742,836.83-1,113,930.72-262,905.12

Finding the Fourth Proportional to 742,836.83, 1,113,930.72 and 262,905.12

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Solution

The fourth proportional to 742,836.83, 1,113,930.72 and 262,905.12 is: 394,242.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,836.83 : 1,113,930.72 = 262,905.12 : x
  2. Step 2: Convert to fraction form
    742,836.83/1,113,930.72 = 262,905.12/x
  3. Step 3: Cross multiply
    742,836.83x = 1,113,930.72 × 262,905.12
  4. Step 4: Simplify right side
    742,836.83x = 292,858,089,613.29
  5. Step 5: Solve for x
    x = 292,858,089,613.29/742,836.83
  6. Step 6: Final answer
    x = 394,242.83

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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.