Home / 915,934.80-1,374,004.60-284,843.60

Finding the Fourth Proportional to 915,934.80, 1,374,004.60 and 284,843.60

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Solution

The fourth proportional to 915,934.80, 1,374,004.60 and 284,843.60 is: 427,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,934.80 : 1,374,004.60 = 284,843.60 : x
  2. Step 2: Convert to fraction form
    915,934.80/1,374,004.60 = 284,843.60/x
  3. Step 3: Cross multiply
    915,934.80x = 1,374,004.60 × 284,843.60
  4. Step 4: Simplify right side
    915,934.80x = 391,376,416,680.56
  5. Step 5: Solve for x
    x = 391,376,416,680.56/915,934.80
  6. Step 6: Final answer
    x = 427,297.25

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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.