Home / 742,780.06-1,114,243.93-269,502.33

Finding the Fourth Proportional to 742,780.06, 1,114,243.93 and 269,502.33

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Solution

The fourth proportional to 742,780.06, 1,114,243.93 and 269,502.33 is: 404,280.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,780.06 : 1,114,243.93 = 269,502.33 : x
  2. Step 2: Convert to fraction form
    742,780.06/1,114,243.93 = 269,502.33/x
  3. Step 3: Cross multiply
    742,780.06x = 1,114,243.93 × 269,502.33
  4. Step 4: Simplify right side
    742,780.06x = 300,291,335,323.36
  5. Step 5: Solve for x
    x = 300,291,335,323.36/742,780.06
  6. Step 6: Final answer
    x = 404,280.29

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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.