Home / 742,828.68-1,114,685.76-269,550.96

Finding the Fourth Proportional to 742,828.68, 1,114,685.76 and 269,550.96

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Solution

The fourth proportional to 742,828.68, 1,114,685.76 and 269,550.96 is: 404,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,828.68 : 1,114,685.76 = 269,550.96 : x
  2. Step 2: Convert to fraction form
    742,828.68/1,114,685.76 = 269,550.96/x
  3. Step 3: Cross multiply
    742,828.68x = 1,114,685.76 × 269,550.96
  4. Step 4: Simplify right side
    742,828.68x = 300,464,616,706.33
  5. Step 5: Solve for x
    x = 300,464,616,706.33/742,828.68
  6. Step 6: Final answer
    x = 404,487.10

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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.