Home / 708,634.72-1,063,392.90-287,910.60

Finding the Fourth Proportional to 708,634.72, 1,063,392.90 and 287,910.60

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Solution

The fourth proportional to 708,634.72, 1,063,392.90 and 287,910.60 is: 432,045.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,634.72 : 1,063,392.90 = 287,910.60 : x
  2. Step 2: Convert to fraction form
    708,634.72/1,063,392.90 = 287,910.60/x
  3. Step 3: Cross multiply
    708,634.72x = 1,063,392.90 × 287,910.60
  4. Step 4: Simplify right side
    708,634.72x = 306,162,087,874.74
  5. Step 5: Solve for x
    x = 306,162,087,874.74/708,634.72
  6. Step 6: Final answer
    x = 432,045.00

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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.