Home / 840,956.38-1,261,600.72-308,482.02

Finding the Fourth Proportional to 840,956.38, 1,261,600.72 and 308,482.02

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Solution

The fourth proportional to 840,956.38, 1,261,600.72 and 308,482.02 is: 462,783.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,956.38 : 1,261,600.72 = 308,482.02 : x
  2. Step 2: Convert to fraction form
    840,956.38/1,261,600.72 = 308,482.02/x
  3. Step 3: Cross multiply
    840,956.38x = 1,261,600.72 × 308,482.02
  4. Step 4: Simplify right side
    840,956.38x = 389,181,137,767.85
  5. Step 5: Solve for x
    x = 389,181,137,767.85/840,956.38
  6. Step 6: Final answer
    x = 462,783.98

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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.