Home / 691,005.12-1,036,655.30-241,740.64

Finding the Fourth Proportional to 691,005.12, 1,036,655.30 and 241,740.64

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Solution

The fourth proportional to 691,005.12, 1,036,655.30 and 241,740.64 is: 362,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,005.12 : 1,036,655.30 = 241,740.64 : x
  2. Step 2: Convert to fraction form
    691,005.12/1,036,655.30 = 241,740.64/x
  3. Step 3: Cross multiply
    691,005.12x = 1,036,655.30 × 241,740.64
  4. Step 4: Simplify right side
    691,005.12x = 250,601,715,768.51
  5. Step 5: Solve for x
    x = 250,601,715,768.51/691,005.12
  6. Step 6: Final answer
    x = 362,662.61

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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.