Home / 916,619.94-1,375,009.89-376,909.05

Finding the Fourth Proportional to 916,619.94, 1,375,009.89 and 376,909.05

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Solution

The fourth proportional to 916,619.94, 1,375,009.89 and 376,909.05 is: 565,396.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,619.94 : 1,375,009.89 = 376,909.05 : x
  2. Step 2: Convert to fraction form
    916,619.94/1,375,009.89 = 376,909.05/x
  3. Step 3: Cross multiply
    916,619.94x = 1,375,009.89 × 376,909.05
  4. Step 4: Simplify right side
    916,619.94x = 518,253,671,380.50
  5. Step 5: Solve for x
    x = 518,253,671,380.50/916,619.94
  6. Step 6: Final answer
    x = 565,396.46

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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.