Home / 708,731.12-1,063,096.72-288,039.84

Finding the Fourth Proportional to 708,731.12, 1,063,096.72 and 288,039.84

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Solution

The fourth proportional to 708,731.12, 1,063,096.72 and 288,039.84 is: 432,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,731.12 : 1,063,096.72 = 288,039.84 : x
  2. Step 2: Convert to fraction form
    708,731.12/1,063,096.72 = 288,039.84/x
  3. Step 3: Cross multiply
    708,731.12x = 1,063,096.72 × 288,039.84
  4. Step 4: Simplify right side
    708,731.12x = 306,214,209,133.33
  5. Step 5: Solve for x
    x = 306,214,209,133.33/708,731.12
  6. Step 6: Final answer
    x = 432,059.78

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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.