Home / 497,731.70-746,693.55-213,418.10

Finding the Fourth Proportional to 497,731.70, 746,693.55 and 213,418.10

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Solution

The fourth proportional to 497,731.70, 746,693.55 and 213,418.10 is: 320,168.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,731.70 : 746,693.55 = 213,418.10 : x
  2. Step 2: Convert to fraction form
    497,731.70/746,693.55 = 213,418.10/x
  3. Step 3: Cross multiply
    497,731.70x = 746,693.55 × 213,418.10
  4. Step 4: Simplify right side
    497,731.70x = 159,357,918,723.26
  5. Step 5: Solve for x
    x = 159,357,918,723.26/497,731.70
  6. Step 6: Final answer
    x = 320,168.31

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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.