Home / 729,000.80-1,093,501.20-699,476.30

Finding the Fourth Proportional to 729,000.80, 1,093,501.20 and 699,476.30

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Solution

The fourth proportional to 729,000.80, 1,093,501.20 and 699,476.30 is: 1,049,214.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,000.80 : 1,093,501.20 = 699,476.30 : x
  2. Step 2: Convert to fraction form
    729,000.80/1,093,501.20 = 699,476.30/x
  3. Step 3: Cross multiply
    729,000.80x = 1,093,501.20 × 699,476.30
  4. Step 4: Simplify right side
    729,000.80x = 764,878,173,421.56
  5. Step 5: Solve for x
    x = 764,878,173,421.56/729,000.80
  6. Step 6: Final answer
    x = 1,049,214.45

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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.