Home / 742,884.28-1,114,769.10-269,606.53

Finding the Fourth Proportional to 742,884.28, 1,114,769.10 and 269,606.53

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Solution

The fourth proportional to 742,884.28, 1,114,769.10 and 269,606.53 is: 404,570.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,884.28 : 1,114,769.10 = 269,606.53 : x
  2. Step 2: Convert to fraction form
    742,884.28/1,114,769.10 = 269,606.53/x
  3. Step 3: Cross multiply
    742,884.28x = 1,114,769.10 × 269,606.53
  4. Step 4: Simplify right side
    742,884.28x = 300,549,028,802.22
  5. Step 5: Solve for x
    x = 300,549,028,802.22/742,884.28
  6. Step 6: Final answer
    x = 404,570.45

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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.