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Finding the Fourth Proportional to 867,901.76, 1,301,975.88 and 268,910

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Solution

The fourth proportional to 867,901.76, 1,301,975.88 and 268,910 is: 403,403.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,901.76 : 1,301,975.88 = 268,910 : x
  2. Step 2: Convert to fraction form
    867,901.76/1,301,975.88 = 268,910/x
  3. Step 3: Cross multiply
    867,901.76x = 1,301,975.88 × 268,910
  4. Step 4: Simplify right side
    867,901.76x = 350,114,333,890.80
  5. Step 5: Solve for x
    x = 350,114,333,890.80/867,901.76
  6. Step 6: Final answer
    x = 403,403.18

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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.