Home / 697,500.25-1,046,260.10-198,864.25

Finding the Fourth Proportional to 697,500.25, 1,046,260.10 and 198,864.25

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Solution

The fourth proportional to 697,500.25, 1,046,260.10 and 198,864.25 is: 298,299.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,500.25 : 1,046,260.10 = 198,864.25 : x
  2. Step 2: Convert to fraction form
    697,500.25/1,046,260.10 = 198,864.25/x
  3. Step 3: Cross multiply
    697,500.25x = 1,046,260.10 × 198,864.25
  4. Step 4: Simplify right side
    697,500.25x = 208,063,730,091.43
  5. Step 5: Solve for x
    x = 208,063,730,091.43/697,500.25
  6. Step 6: Final answer
    x = 298,299.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.