Home / 961,617.64-1,442,632.38-287,750.92

Finding the Fourth Proportional to 961,617.64, 1,442,632.38 and 287,750.92

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Solution

The fourth proportional to 961,617.64, 1,442,632.38 and 287,750.92 is: 431,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,617.64 : 1,442,632.38 = 287,750.92 : x
  2. Step 2: Convert to fraction form
    961,617.64/1,442,632.38 = 287,750.92/x
  3. Step 3: Cross multiply
    961,617.64x = 1,442,632.38 × 287,750.92
  4. Step 4: Simplify right side
    961,617.64x = 415,118,794,566.79
  5. Step 5: Solve for x
    x = 415,118,794,566.79/961,617.64
  6. Step 6: Final answer
    x = 431,688.00

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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.