Home / 742,660.84-1,113,645.66-269,327.08

Finding the Fourth Proportional to 742,660.84, 1,113,645.66 and 269,327.08

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Solution

The fourth proportional to 742,660.84, 1,113,645.66 and 269,327.08 is: 403,865.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,660.84 : 1,113,645.66 = 269,327.08 : x
  2. Step 2: Convert to fraction form
    742,660.84/1,113,645.66 = 269,327.08/x
  3. Step 3: Cross multiply
    742,660.84x = 1,113,645.66 × 269,327.08
  4. Step 4: Simplify right side
    742,660.84x = 299,934,933,762.47
  5. Step 5: Solve for x
    x = 299,934,933,762.47/742,660.84
  6. Step 6: Final answer
    x = 403,865.29

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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.