Home / 740,835.60-1,111,253.40-729,025.80

Finding the Fourth Proportional to 740,835.60, 1,111,253.40 and 729,025.80

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Solution

The fourth proportional to 740,835.60, 1,111,253.40 and 729,025.80 is: 1,093,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,835.60 : 1,111,253.40 = 729,025.80 : x
  2. Step 2: Convert to fraction form
    740,835.60/1,111,253.40 = 729,025.80/x
  3. Step 3: Cross multiply
    740,835.60x = 1,111,253.40 × 729,025.80
  4. Step 4: Simplify right side
    740,835.60x = 810,132,398,937.72
  5. Step 5: Solve for x
    x = 810,132,398,937.72/740,835.60
  6. Step 6: Final answer
    x = 1,093,538.70

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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.