Home / 915,966.30-1,373,952.99-383,113.56

Finding the Fourth Proportional to 915,966.30, 1,373,952.99 and 383,113.56

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Solution

The fourth proportional to 915,966.30, 1,373,952.99 and 383,113.56 is: 574,671.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,966.30 : 1,373,952.99 = 383,113.56 : x
  2. Step 2: Convert to fraction form
    915,966.30/1,373,952.99 = 383,113.56/x
  3. Step 3: Cross multiply
    915,966.30x = 1,373,952.99 × 383,113.56
  4. Step 4: Simplify right side
    915,966.30x = 526,380,021,271.54
  5. Step 5: Solve for x
    x = 526,380,021,271.54/915,966.30
  6. Step 6: Final answer
    x = 574,671.82

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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.