Home / 380,592.40-571,763.76-268,530.88

Finding the Fourth Proportional to 380,592.40, 571,763.76 and 268,530.88

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Solution

The fourth proportional to 380,592.40, 571,763.76 and 268,530.88 is: 403,413.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,592.40 : 571,763.76 = 268,530.88 : x
  2. Step 2: Convert to fraction form
    380,592.40/571,763.76 = 268,530.88/x
  3. Step 3: Cross multiply
    380,592.40x = 571,763.76 × 268,530.88
  4. Step 4: Simplify right side
    380,592.40x = 153,536,225,624.91
  5. Step 5: Solve for x
    x = 153,536,225,624.91/380,592.40
  6. Step 6: Final answer
    x = 403,413.80

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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.