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Finding the Fourth Proportional to 576,379.60, 863,467.80 and 310,051.60

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Solution

The fourth proportional to 576,379.60, 863,467.80 and 310,051.60 is: 464,484.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,379.60 : 863,467.80 = 310,051.60 : x
  2. Step 2: Convert to fraction form
    576,379.60/863,467.80 = 310,051.60/x
  3. Step 3: Cross multiply
    576,379.60x = 863,467.80 × 310,051.60
  4. Step 4: Simplify right side
    576,379.60x = 267,719,572,938.48
  5. Step 5: Solve for x
    x = 267,719,572,938.48/576,379.60
  6. Step 6: Final answer
    x = 464,484.82

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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.