Home / 734,727.60-1,101,832.20-261,428.40

Finding the Fourth Proportional to 734,727.60, 1,101,832.20 and 261,428.40

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Solution

The fourth proportional to 734,727.60, 1,101,832.20 and 261,428.40 is: 392,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,727.60 : 1,101,832.20 = 261,428.40 : x
  2. Step 2: Convert to fraction form
    734,727.60/1,101,832.20 = 261,428.40/x
  3. Step 3: Cross multiply
    734,727.60x = 1,101,832.20 × 261,428.40
  4. Step 4: Simplify right side
    734,727.60x = 288,050,229,114.48
  5. Step 5: Solve for x
    x = 288,050,229,114.48/734,727.60
  6. Step 6: Final answer
    x = 392,050.37

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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.