Home / 740,813.60-1,111,220.40-729,003.80

Finding the Fourth Proportional to 740,813.60, 1,111,220.40 and 729,003.80

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Solution

The fourth proportional to 740,813.60, 1,111,220.40 and 729,003.80 is: 1,093,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,813.60 : 1,111,220.40 = 729,003.80 : x
  2. Step 2: Convert to fraction form
    740,813.60/1,111,220.40 = 729,003.80/x
  3. Step 3: Cross multiply
    740,813.60x = 1,111,220.40 × 729,003.80
  4. Step 4: Simplify right side
    740,813.60x = 810,083,894,237.52
  5. Step 5: Solve for x
    x = 810,083,894,237.52/740,813.60
  6. Step 6: Final answer
    x = 1,093,505.70

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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.