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Finding the Fourth Proportional to 867,324.40, 1,301,083.80 and 268,280.80

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Solution

The fourth proportional to 867,324.40, 1,301,083.80 and 268,280.80 is: 402,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,324.40 : 1,301,083.80 = 268,280.80 : x
  2. Step 2: Convert to fraction form
    867,324.40/1,301,083.80 = 268,280.80/x
  3. Step 3: Cross multiply
    867,324.40x = 1,301,083.80 × 268,280.80
  4. Step 4: Simplify right side
    867,324.40x = 349,055,802,731.04
  5. Step 5: Solve for x
    x = 349,055,802,731.04/867,324.40
  6. Step 6: Final answer
    x = 402,451.27

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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.