Home / 708,628.73-1,063,383.90-287,904.60

Finding the Fourth Proportional to 708,628.73, 1,063,383.90 and 287,904.60

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Solution

The fourth proportional to 708,628.73, 1,063,383.90 and 287,904.60 is: 432,036.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,628.73 : 1,063,383.90 = 287,904.60 : x
  2. Step 2: Convert to fraction form
    708,628.73/1,063,383.90 = 287,904.60/x
  3. Step 3: Cross multiply
    708,628.73x = 1,063,383.90 × 287,904.60
  4. Step 4: Simplify right side
    708,628.73x = 306,153,116,375.94
  5. Step 5: Solve for x
    x = 306,153,116,375.94/708,628.73
  6. Step 6: Final answer
    x = 432,036.00

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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.