Home / 723,717.99-998,735.67-401,433.57

Finding the Fourth Proportional to 723,717.99, 998,735.67 and 401,433.57

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Solution

The fourth proportional to 723,717.99, 998,735.67 and 401,433.57 is: 553,981.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,717.99 : 998,735.67 = 401,433.57 : x
  2. Step 2: Convert to fraction form
    723,717.99/998,735.67 = 401,433.57/x
  3. Step 3: Cross multiply
    723,717.99x = 998,735.67 × 401,433.57
  4. Step 4: Simplify right side
    723,717.99x = 400,926,025,494.44
  5. Step 5: Solve for x
    x = 400,926,025,494.44/723,717.99
  6. Step 6: Final answer
    x = 553,981.01

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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.