Home / 917,405.55-1,376,108.33-664,150.95

Finding the Fourth Proportional to 917,405.55, 1,376,108.33 and 664,150.95

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Solution

The fourth proportional to 917,405.55, 1,376,108.33 and 664,150.95 is: 996,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,405.55 : 1,376,108.33 = 664,150.95 : x
  2. Step 2: Convert to fraction form
    917,405.55/1,376,108.33 = 664,150.95/x
  3. Step 3: Cross multiply
    917,405.55x = 1,376,108.33 × 664,150.95
  4. Step 4: Simplify right side
    917,405.55x = 913,943,651,351.66
  5. Step 5: Solve for x
    x = 913,943,651,351.66/917,405.55
  6. Step 6: Final answer
    x = 996,226.43

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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.