Home / 497,723.80-746,112.72-317,302.78

Finding the Fourth Proportional to 497,723.80, 746,112.72 and 317,302.78

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Solution

The fourth proportional to 497,723.80, 746,112.72 and 317,302.78 is: 475,652.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,723.80 : 746,112.72 = 317,302.78 : x
  2. Step 2: Convert to fraction form
    497,723.80/746,112.72 = 317,302.78/x
  3. Step 3: Cross multiply
    497,723.80x = 746,112.72 × 317,302.78
  4. Step 4: Simplify right side
    497,723.80x = 236,743,640,249.36
  5. Step 5: Solve for x
    x = 236,743,640,249.36/497,723.80
  6. Step 6: Final answer
    x = 475,652.64

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1.5x scale

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.