Home / 452,619.96-677,958.03-426,121.71

Finding the Fourth Proportional to 452,619.96, 677,958.03 and 426,121.71

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Solution

The fourth proportional to 452,619.96, 677,958.03 and 426,121.71 is: 638,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,619.96 : 677,958.03 = 426,121.71 : x
  2. Step 2: Convert to fraction form
    452,619.96/677,958.03 = 426,121.71/x
  3. Step 3: Cross multiply
    452,619.96x = 677,958.03 × 426,121.71
  4. Step 4: Simplify right side
    452,619.96x = 288,892,635,051.83
  5. Step 5: Solve for x
    x = 288,892,635,051.83/452,619.96
  6. Step 6: Final answer
    x = 638,267.55

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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.