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Finding the Fourth Proportional to 576,760.08, 863,979.96 and 287,700.24

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Solution

The fourth proportional to 576,760.08, 863,979.96 and 287,700.24 is: 430,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,760.08 : 863,979.96 = 287,700.24 : x
  2. Step 2: Convert to fraction form
    576,760.08/863,979.96 = 287,700.24/x
  3. Step 3: Cross multiply
    576,760.08x = 863,979.96 × 287,700.24
  4. Step 4: Simplify right side
    576,760.08x = 248,567,241,847.19
  5. Step 5: Solve for x
    x = 248,567,241,847.19/576,760.08
  6. Step 6: Final answer
    x = 430,971.65

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1.5x scale

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.