Home / 723,401.56-998,306.13-401,125.24

Finding the Fourth Proportional to 723,401.56, 998,306.13 and 401,125.24

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Solution

The fourth proportional to 723,401.56, 998,306.13 and 401,125.24 is: 553,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,401.56 : 998,306.13 = 401,125.24 : x
  2. Step 2: Convert to fraction form
    723,401.56/998,306.13 = 401,125.24/x
  3. Step 3: Cross multiply
    723,401.56x = 998,306.13 × 401,125.24
  4. Step 4: Simplify right side
    723,401.56x = 400,445,785,989.72
  5. Step 5: Solve for x
    x = 400,445,785,989.72/723,401.56
  6. Step 6: Final answer
    x = 553,559.47

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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.