Home / 435,742.80-652,739.40-294,025.20

Finding the Fourth Proportional to 435,742.80, 652,739.40 and 294,025.20

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Solution

The fourth proportional to 435,742.80, 652,739.40 and 294,025.20 is: 440,447.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,742.80 : 652,739.40 = 294,025.20 : x
  2. Step 2: Convert to fraction form
    435,742.80/652,739.40 = 294,025.20/x
  3. Step 3: Cross multiply
    435,742.80x = 652,739.40 × 294,025.20
  4. Step 4: Simplify right side
    435,742.80x = 191,921,832,632.88
  5. Step 5: Solve for x
    x = 191,921,832,632.88/435,742.80
  6. Step 6: Final answer
    x = 440,447.51

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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.