Home / 723,442.03-998,301.33-401,140.19

Finding the Fourth Proportional to 723,442.03, 998,301.33 and 401,140.19

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Solution

The fourth proportional to 723,442.03, 998,301.33 and 401,140.19 is: 553,546.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,442.03 : 998,301.33 = 401,140.19 : x
  2. Step 2: Convert to fraction form
    723,442.03/998,301.33 = 401,140.19/x
  3. Step 3: Cross multiply
    723,442.03x = 998,301.33 × 401,140.19
  4. Step 4: Simplify right side
    723,442.03x = 400,458,785,193.45
  5. Step 5: Solve for x
    x = 400,458,785,193.45/723,442.03
  6. Step 6: Final answer
    x = 553,546.47

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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.