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Finding the Fourth Proportional to 868,897.72, 1,303,528.02 and 269,843.32

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Solution

The fourth proportional to 868,897.72, 1,303,528.02 and 269,843.32 is: 404,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,897.72 : 1,303,528.02 = 269,843.32 : x
  2. Step 2: Convert to fraction form
    868,897.72/1,303,528.02 = 269,843.32/x
  3. Step 3: Cross multiply
    868,897.72x = 1,303,528.02 × 269,843.32
  4. Step 4: Simplify right side
    868,897.72x = 351,748,328,629.83
  5. Step 5: Solve for x
    x = 351,748,328,629.83/868,897.72
  6. Step 6: Final answer
    x = 404,821.33

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Double scale
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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.