Home / 683,937.60-1,025,906.40-369,009.60

Finding the Fourth Proportional to 683,937.60, 1,025,906.40 and 369,009.60

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Solution

The fourth proportional to 683,937.60, 1,025,906.40 and 369,009.60 is: 553,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,937.60 : 1,025,906.40 = 369,009.60 : x
  2. Step 2: Convert to fraction form
    683,937.60/1,025,906.40 = 369,009.60/x
  3. Step 3: Cross multiply
    683,937.60x = 1,025,906.40 × 369,009.60
  4. Step 4: Simplify right side
    683,937.60x = 378,569,310,301.44
  5. Step 5: Solve for x
    x = 378,569,310,301.44/683,937.60
  6. Step 6: Final answer
    x = 553,514.40

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Similar ratio
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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.