Home / 790,822.52-1,091,334.90-428,246.37

Finding the Fourth Proportional to 790,822.52, 1,091,334.90 and 428,246.37

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Solution

The fourth proportional to 790,822.52, 1,091,334.90 and 428,246.37 is: 590,979.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,822.52 : 1,091,334.90 = 428,246.37 : x
  2. Step 2: Convert to fraction form
    790,822.52/1,091,334.90 = 428,246.37/x
  3. Step 3: Cross multiply
    790,822.52x = 1,091,334.90 × 428,246.37
  4. Step 4: Simplify right side
    790,822.52x = 467,360,209,379.31
  5. Step 5: Solve for x
    x = 467,360,209,379.31/790,822.52
  6. Step 6: Final answer
    x = 590,979.89

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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.