Home / 807,769.40-1,211,654.10-729,037.40

Finding the Fourth Proportional to 807,769.40, 1,211,654.10 and 729,037.40

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Solution

The fourth proportional to 807,769.40, 1,211,654.10 and 729,037.40 is: 1,093,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,769.40 : 1,211,654.10 = 729,037.40 : x
  2. Step 2: Convert to fraction form
    807,769.40/1,211,654.10 = 729,037.40/x
  3. Step 3: Cross multiply
    807,769.40x = 1,211,654.10 × 729,037.40
  4. Step 4: Simplify right side
    807,769.40x = 883,341,154,763.34
  5. Step 5: Solve for x
    x = 883,341,154,763.34/807,769.40
  6. Step 6: Final answer
    x = 1,093,556.10

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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.