Home / 451,267.35-622,390.21-383,508.62

Finding the Fourth Proportional to 451,267.35, 622,390.21 and 383,508.62

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Solution

The fourth proportional to 451,267.35, 622,390.21 and 383,508.62 is: 528,937.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,267.35 : 622,390.21 = 383,508.62 : x
  2. Step 2: Convert to fraction form
    451,267.35/622,390.21 = 383,508.62/x
  3. Step 3: Cross multiply
    451,267.35x = 622,390.21 × 383,508.62
  4. Step 4: Simplify right side
    451,267.35x = 238,692,010,925.95
  5. Step 5: Solve for x
    x = 238,692,010,925.95/451,267.35
  6. Step 6: Final answer
    x = 528,937.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.