Home / 961,956.32-1,442,932.86-385,839.32

Finding the Fourth Proportional to 961,956.32, 1,442,932.86 and 385,839.32

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Solution

The fourth proportional to 961,956.32, 1,442,932.86 and 385,839.32 is: 578,758.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,956.32 : 1,442,932.86 = 385,839.32 : x
  2. Step 2: Convert to fraction form
    961,956.32/1,442,932.86 = 385,839.32/x
  3. Step 3: Cross multiply
    961,956.32x = 1,442,932.86 × 385,839.32
  4. Step 4: Simplify right side
    961,956.32x = 556,740,233,508.06
  5. Step 5: Solve for x
    x = 556,740,233,508.06/961,956.32
  6. Step 6: Final answer
    x = 578,758.33

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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.