Home / 697,062.72-961,906.68-386,949.36

Finding the Fourth Proportional to 697,062.72, 961,906.68 and 386,949.36

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Solution

The fourth proportional to 697,062.72, 961,906.68 and 386,949.36 is: 533,967.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,062.72 : 961,906.68 = 386,949.36 : x
  2. Step 2: Convert to fraction form
    697,062.72/961,906.68 = 386,949.36/x
  3. Step 3: Cross multiply
    697,062.72x = 961,906.68 × 386,949.36
  4. Step 4: Simplify right side
    697,062.72x = 372,209,174,205.73
  5. Step 5: Solve for x
    x = 372,209,174,205.73/697,062.72
  6. Step 6: Final answer
    x = 533,967.98

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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.