Home / 940,115.80-1,410,980.10-379,552.60

Finding the Fourth Proportional to 940,115.80, 1,410,980.10 and 379,552.60

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Solution

The fourth proportional to 940,115.80, 1,410,980.10 and 379,552.60 is: 569,654.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,115.80 : 1,410,980.10 = 379,552.60 : x
  2. Step 2: Convert to fraction form
    940,115.80/1,410,980.10 = 379,552.60/x
  3. Step 3: Cross multiply
    940,115.80x = 1,410,980.10 × 379,552.60
  4. Step 4: Simplify right side
    940,115.80x = 535,541,165,503.26
  5. Step 5: Solve for x
    x = 535,541,165,503.26/940,115.80
  6. Step 6: Final answer
    x = 569,654.47

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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.