Home / 723,610.16-998,462.40-401,269.04

Finding the Fourth Proportional to 723,610.16, 998,462.40 and 401,269.04

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Solution

The fourth proportional to 723,610.16, 998,462.40 and 401,269.04 is: 553,684.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,610.16 : 998,462.40 = 401,269.04 : x
  2. Step 2: Convert to fraction form
    723,610.16/998,462.40 = 401,269.04/x
  3. Step 3: Cross multiply
    723,610.16x = 998,462.40 × 401,269.04
  4. Step 4: Simplify right side
    723,610.16x = 400,652,048,724.10
  5. Step 5: Solve for x
    x = 400,652,048,724.10/723,610.16
  6. Step 6: Final answer
    x = 553,684.94

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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.