Home / 383,587.89-574,557.55-311,215.93

Finding the Fourth Proportional to 383,587.89, 574,557.55 and 311,215.93

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Solution

The fourth proportional to 383,587.89, 574,557.55 and 311,215.93 is: 466,155.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,587.89 : 574,557.55 = 311,215.93 : x
  2. Step 2: Convert to fraction form
    383,587.89/574,557.55 = 311,215.93/x
  3. Step 3: Cross multiply
    383,587.89x = 574,557.55 × 311,215.93
  4. Step 4: Simplify right side
    383,587.89x = 178,811,462,261.77
  5. Step 5: Solve for x
    x = 178,811,462,261.77/383,587.89
  6. Step 6: Final answer
    x = 466,155.13

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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.