Home / 723,486.24-998,462.16-401,227.20

Finding the Fourth Proportional to 723,486.24, 998,462.16 and 401,227.20

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Solution

The fourth proportional to 723,486.24, 998,462.16 and 401,227.20 is: 553,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,486.24 : 998,462.16 = 401,227.20 : x
  2. Step 2: Convert to fraction form
    723,486.24/998,462.16 = 401,227.20/x
  3. Step 3: Cross multiply
    723,486.24x = 998,462.16 × 401,227.20
  4. Step 4: Simplify right side
    723,486.24x = 400,610,176,762.75
  5. Step 5: Solve for x
    x = 400,610,176,762.75/723,486.24
  6. Step 6: Final answer
    x = 553,721.90

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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.