Home / 790,946.53-1,091,505.87-428,370.39

Finding the Fourth Proportional to 790,946.53, 1,091,505.87 and 428,370.39

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Solution

The fourth proportional to 790,946.53, 1,091,505.87 and 428,370.39 is: 591,150.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,946.53 : 1,091,505.87 = 428,370.39 : x
  2. Step 2: Convert to fraction form
    790,946.53/1,091,505.87 = 428,370.39/x
  3. Step 3: Cross multiply
    790,946.53x = 1,091,505.87 × 428,370.39
  4. Step 4: Simplify right side
    790,946.53x = 467,568,795,219.19
  5. Step 5: Solve for x
    x = 467,568,795,219.19/790,946.53
  6. Step 6: Final answer
    x = 591,150.96

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1.5x scale

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.