Home / 696,740.72-1,045,286.70-198,104.72

Finding the Fourth Proportional to 696,740.72, 1,045,286.70 and 198,104.72

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Solution

The fourth proportional to 696,740.72, 1,045,286.70 and 198,104.72 is: 297,207.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,740.72 : 1,045,286.70 = 198,104.72 : x
  2. Step 2: Convert to fraction form
    696,740.72/1,045,286.70 = 198,104.72/x
  3. Step 3: Cross multiply
    696,740.72x = 1,045,286.70 × 198,104.72
  4. Step 4: Simplify right side
    696,740.72x = 207,076,223,796.79
  5. Step 5: Solve for x
    x = 207,076,223,796.79/696,740.72
  6. Step 6: Final answer
    x = 297,207.01

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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.