Home / 659,056.07-988,574.87-259,700.31

Finding the Fourth Proportional to 659,056.07, 988,574.87 and 259,700.31

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Solution

The fourth proportional to 659,056.07, 988,574.87 and 259,700.31 is: 389,546.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,056.07 : 988,574.87 = 259,700.31 : x
  2. Step 2: Convert to fraction form
    659,056.07/988,574.87 = 259,700.31/x
  3. Step 3: Cross multiply
    659,056.07x = 988,574.87 × 259,700.31
  4. Step 4: Simplify right side
    659,056.07x = 256,733,198,898.71
  5. Step 5: Solve for x
    x = 256,733,198,898.71/659,056.07
  6. Step 6: Final answer
    x = 389,546.83

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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.