Home / 574,848.55-862,641.88-385,522.69

Finding the Fourth Proportional to 574,848.55, 862,641.88 and 385,522.69

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Solution

The fourth proportional to 574,848.55, 862,641.88 and 385,522.69 is: 578,531.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,848.55 : 862,641.88 = 385,522.69 : x
  2. Step 2: Convert to fraction form
    574,848.55/862,641.88 = 385,522.69/x
  3. Step 3: Cross multiply
    574,848.55x = 862,641.88 × 385,522.69
  4. Step 4: Simplify right side
    574,848.55x = 332,568,018,198.75
  5. Step 5: Solve for x
    x = 332,568,018,198.75/574,848.55
  6. Step 6: Final answer
    x = 578,531.54

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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.