Home / 723,582.54-998,605.25-401,396.45

Finding the Fourth Proportional to 723,582.54, 998,605.25 and 401,396.45

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Solution

The fourth proportional to 723,582.54, 998,605.25 and 401,396.45 is: 553,961.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,582.54 : 998,605.25 = 401,396.45 : x
  2. Step 2: Convert to fraction form
    723,582.54/998,605.25 = 401,396.45/x
  3. Step 3: Cross multiply
    723,582.54x = 998,605.25 × 401,396.45
  4. Step 4: Simplify right side
    723,582.54x = 400,836,602,301.36
  5. Step 5: Solve for x
    x = 400,836,602,301.36/723,582.54
  6. Step 6: Final answer
    x = 553,961.13

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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.