Home / 916,104.40-1,373,767.80-442,934.80

Finding the Fourth Proportional to 916,104.40, 1,373,767.80 and 442,934.80

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Solution

The fourth proportional to 916,104.40, 1,373,767.80 and 442,934.80 is: 664,214.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,104.40 : 1,373,767.80 = 442,934.80 : x
  2. Step 2: Convert to fraction form
    916,104.40/1,373,767.80 = 442,934.80/x
  3. Step 3: Cross multiply
    916,104.40x = 1,373,767.80 × 442,934.80
  4. Step 4: Simplify right side
    916,104.40x = 608,489,565,739.44
  5. Step 5: Solve for x
    x = 608,489,565,739.44/916,104.40
  6. Step 6: Final answer
    x = 664,214.22

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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.