Home / 915,957.70-1,373,940.06-383,104.94

Finding the Fourth Proportional to 915,957.70, 1,373,940.06 and 383,104.94

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Solution

The fourth proportional to 915,957.70, 1,373,940.06 and 383,104.94 is: 574,658.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,957.70 : 1,373,940.06 = 383,104.94 : x
  2. Step 2: Convert to fraction form
    915,957.70/1,373,940.06 = 383,104.94/x
  3. Step 3: Cross multiply
    915,957.70x = 1,373,940.06 × 383,104.94
  4. Step 4: Simplify right side
    915,957.70x = 526,363,215,943.55
  5. Step 5: Solve for x
    x = 526,363,215,943.55/915,957.70
  6. Step 6: Final answer
    x = 574,658.87

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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.