Home / 961,928.64-1,442,878.32-330,847.92

Finding the Fourth Proportional to 961,928.64, 1,442,878.32 and 330,847.92

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Solution

The fourth proportional to 961,928.64, 1,442,878.32 and 330,847.92 is: 496,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,928.64 : 1,442,878.32 = 330,847.92 : x
  2. Step 2: Convert to fraction form
    961,928.64/1,442,878.32 = 330,847.92/x
  3. Step 3: Cross multiply
    961,928.64x = 1,442,878.32 × 330,847.92
  4. Step 4: Simplify right side
    961,928.64x = 477,373,290,985.09
  5. Step 5: Solve for x
    x = 477,373,290,985.09/961,928.64
  6. Step 6: Final answer
    x = 496,266.84

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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.