Home / 790,824.50-1,186,177.53-285,385.44

Finding the Fourth Proportional to 790,824.50, 1,186,177.53 and 285,385.44

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Solution

The fourth proportional to 790,824.50, 1,186,177.53 and 285,385.44 is: 428,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,824.50 : 1,186,177.53 = 285,385.44 : x
  2. Step 2: Convert to fraction form
    790,824.50/1,186,177.53 = 285,385.44/x
  3. Step 3: Cross multiply
    790,824.50x = 1,186,177.53 × 285,385.44
  4. Step 4: Simplify right side
    790,824.50x = 338,517,801,835.52
  5. Step 5: Solve for x
    x = 338,517,801,835.52/790,824.50
  6. Step 6: Final answer
    x = 428,056.80

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1.5x scale

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.