Home / 696,800.40-1,045,200.60-198,099.60

Finding the Fourth Proportional to 696,800.40, 1,045,200.60 and 198,099.60

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Solution

The fourth proportional to 696,800.40, 1,045,200.60 and 198,099.60 is: 297,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,800.40 : 1,045,200.60 = 198,099.60 : x
  2. Step 2: Convert to fraction form
    696,800.40/1,045,200.60 = 198,099.60/x
  3. Step 3: Cross multiply
    696,800.40x = 1,045,200.60 × 198,099.60
  4. Step 4: Simplify right side
    696,800.40x = 207,053,820,779.76
  5. Step 5: Solve for x
    x = 207,053,820,779.76/696,800.40
  6. Step 6: Final answer
    x = 297,149.40

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Similar ratio
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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.