Home / 671,522.76-1,007,698.86-272,166.84

Finding the Fourth Proportional to 671,522.76, 1,007,698.86 and 272,166.84

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Solution

The fourth proportional to 671,522.76, 1,007,698.86 and 272,166.84 is: 408,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,522.76 : 1,007,698.86 = 272,166.84 : x
  2. Step 2: Convert to fraction form
    671,522.76/1,007,698.86 = 272,166.84/x
  3. Step 3: Cross multiply
    671,522.76x = 1,007,698.86 × 272,166.84
  4. Step 4: Simplify right side
    671,522.76x = 274,262,214,397.80
  5. Step 5: Solve for x
    x = 274,262,214,397.80/671,522.76
  6. Step 6: Final answer
    x = 408,418.35

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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.