Home / 807,777.90-1,211,666.85-729,045.90

Finding the Fourth Proportional to 807,777.90, 1,211,666.85 and 729,045.90

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Solution

The fourth proportional to 807,777.90, 1,211,666.85 and 729,045.90 is: 1,093,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,777.90 : 1,211,666.85 = 729,045.90 : x
  2. Step 2: Convert to fraction form
    807,777.90/1,211,666.85 = 729,045.90/x
  3. Step 3: Cross multiply
    807,777.90x = 1,211,666.85 × 729,045.90
  4. Step 4: Simplify right side
    807,777.90x = 883,360,749,158.42
  5. Step 5: Solve for x
    x = 883,360,749,158.42/807,777.90
  6. Step 6: Final answer
    x = 1,093,568.85

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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.