Home / 865,915.93-1,194,965.72-483,942.70

Finding the Fourth Proportional to 865,915.93, 1,194,965.72 and 483,942.70

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Solution

The fourth proportional to 865,915.93, 1,194,965.72 and 483,942.70 is: 667,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,915.93 : 1,194,965.72 = 483,942.70 : x
  2. Step 2: Convert to fraction form
    865,915.93/1,194,965.72 = 483,942.70/x
  3. Step 3: Cross multiply
    865,915.93x = 1,194,965.72 × 483,942.70
  4. Step 4: Simplify right side
    865,915.93x = 578,294,936,944.24
  5. Step 5: Solve for x
    x = 578,294,936,944.24/865,915.93
  6. Step 6: Final answer
    x = 667,841.90

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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.