Home / 697,487.25-1,046,240.60-198,851.25

Finding the Fourth Proportional to 697,487.25, 1,046,240.60 and 198,851.25

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Solution

The fourth proportional to 697,487.25, 1,046,240.60 and 198,851.25 is: 298,279.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,487.25 : 1,046,240.60 = 198,851.25 : x
  2. Step 2: Convert to fraction form
    697,487.25/1,046,240.60 = 198,851.25/x
  3. Step 3: Cross multiply
    697,487.25x = 1,046,240.60 × 198,851.25
  4. Step 4: Simplify right side
    697,487.25x = 208,046,250,116.49
  5. Step 5: Solve for x
    x = 208,046,250,116.49/697,487.25
  6. Step 6: Final answer
    x = 298,279.65

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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.