Home / 497,723.40-746,828.10-231,346.80

Finding the Fourth Proportional to 497,723.40, 746,828.10 and 231,346.80

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Solution

The fourth proportional to 497,723.40, 746,828.10 and 231,346.80 is: 347,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,723.40 : 746,828.10 = 231,346.80 : x
  2. Step 2: Convert to fraction form
    497,723.40/746,828.10 = 231,346.80/x
  3. Step 3: Cross multiply
    497,723.40x = 746,828.10 × 231,346.80
  4. Step 4: Simplify right side
    497,723.40x = 172,776,291,085.08
  5. Step 5: Solve for x
    x = 172,776,291,085.08/497,723.40
  6. Step 6: Final answer
    x = 347,133.15

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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.