Home / 790,704.48-1,091,167.59-428,120.85

Finding the Fourth Proportional to 790,704.48, 1,091,167.59 and 428,120.85

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Solution

The fourth proportional to 790,704.48, 1,091,167.59 and 428,120.85 is: 590,804.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,704.48 : 1,091,167.59 = 428,120.85 : x
  2. Step 2: Convert to fraction form
    790,704.48/1,091,167.59 = 428,120.85/x
  3. Step 3: Cross multiply
    790,704.48x = 1,091,167.59 × 428,120.85
  4. Step 4: Simplify right side
    790,704.48x = 467,151,596,123.25
  5. Step 5: Solve for x
    x = 467,151,596,123.25/790,704.48
  6. Step 6: Final answer
    x = 590,804.29

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Double scale
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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.