Home / 790,961.94-1,091,522.03-428,377.50

Finding the Fourth Proportional to 790,961.94, 1,091,522.03 and 428,377.50

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Solution

The fourth proportional to 790,961.94, 1,091,522.03 and 428,377.50 is: 591,158.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,961.94 : 1,091,522.03 = 428,377.50 : x
  2. Step 2: Convert to fraction form
    790,961.94/1,091,522.03 = 428,377.50/x
  3. Step 3: Cross multiply
    790,961.94x = 1,091,522.03 × 428,377.50
  4. Step 4: Simplify right side
    790,961.94x = 467,583,476,264.44
  5. Step 5: Solve for x
    x = 467,583,476,264.44/790,961.94
  6. Step 6: Final answer
    x = 591,158.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.