Home / 697,365.40-1,046,048.10-198,664.60

Finding the Fourth Proportional to 697,365.40, 1,046,048.10 and 198,664.60

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Solution

The fourth proportional to 697,365.40, 1,046,048.10 and 198,664.60 is: 297,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,365.40 : 1,046,048.10 = 198,664.60 : x
  2. Step 2: Convert to fraction form
    697,365.40/1,046,048.10 = 198,664.60/x
  3. Step 3: Cross multiply
    697,365.40x = 1,046,048.10 × 198,664.60
  4. Step 4: Simplify right side
    697,365.40x = 207,812,727,367.26
  5. Step 5: Solve for x
    x = 207,812,727,367.26/697,365.40
  6. Step 6: Final answer
    x = 297,996.90

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Double scale
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Similar ratio
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1.5x scale

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.