Home / 723,853.38-998,918.84-401,563.49

Finding the Fourth Proportional to 723,853.38, 998,918.84 and 401,563.49

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Solution

The fourth proportional to 723,853.38, 998,918.84 and 401,563.49 is: 554,158.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,853.38 : 998,918.84 = 401,563.49 : x
  2. Step 2: Convert to fraction form
    723,853.38/998,918.84 = 401,563.49/x
  3. Step 3: Cross multiply
    723,853.38x = 998,918.84 × 401,563.49
  4. Step 4: Simplify right side
    723,853.38x = 401,129,335,617.15
  5. Step 5: Solve for x
    x = 401,129,335,617.15/723,853.38
  6. Step 6: Final answer
    x = 554,158.27

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1.5x scale

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.