Home / 860,050.68-1,290,125.24-261,031.38

Finding the Fourth Proportional to 860,050.68, 1,290,125.24 and 261,031.38

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Solution

The fourth proportional to 860,050.68, 1,290,125.24 and 261,031.38 is: 391,562.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,050.68 : 1,290,125.24 = 261,031.38 : x
  2. Step 2: Convert to fraction form
    860,050.68/1,290,125.24 = 261,031.38/x
  3. Step 3: Cross multiply
    860,050.68x = 1,290,125.24 × 261,031.38
  4. Step 4: Simplify right side
    860,050.68x = 336,763,171,770.03
  5. Step 5: Solve for x
    x = 336,763,171,770.03/860,050.68
  6. Step 6: Final answer
    x = 391,562.01

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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.