Home / 723,459.24-998,424.90-401,200.20

Finding the Fourth Proportional to 723,459.24, 998,424.90 and 401,200.20

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Solution

The fourth proportional to 723,459.24, 998,424.90 and 401,200.20 is: 553,684.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,459.24 : 998,424.90 = 401,200.20 : x
  2. Step 2: Convert to fraction form
    723,459.24/998,424.90 = 401,200.20/x
  3. Step 3: Cross multiply
    723,459.24x = 998,424.90 × 401,200.20
  4. Step 4: Simplify right side
    723,459.24x = 400,568,269,564.98
  5. Step 5: Solve for x
    x = 400,568,269,564.98/723,459.24
  6. Step 6: Final answer
    x = 553,684.64

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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.