Home / 823,249.64-1,234,164.67-318,165.03

Finding the Fourth Proportional to 823,249.64, 1,234,164.67 and 318,165.03

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Solution

The fourth proportional to 823,249.64, 1,234,164.67 and 318,165.03 is: 476,973.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,249.64 : 1,234,164.67 = 318,165.03 : x
  2. Step 2: Convert to fraction form
    823,249.64/1,234,164.67 = 318,165.03/x
  3. Step 3: Cross multiply
    823,249.64x = 1,234,164.67 × 318,165.03
  4. Step 4: Simplify right side
    823,249.64x = 392,668,038,460.08
  5. Step 5: Solve for x
    x = 392,668,038,460.08/823,249.64
  6. Step 6: Final answer
    x = 476,973.23

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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.