Home / 696,651.75-1,045,070.78-275,829.21

Finding the Fourth Proportional to 696,651.75, 1,045,070.78 and 275,829.21

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Solution

The fourth proportional to 696,651.75, 1,045,070.78 and 275,829.21 is: 413,780.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,651.75 : 1,045,070.78 = 275,829.21 : x
  2. Step 2: Convert to fraction form
    696,651.75/1,045,070.78 = 275,829.21/x
  3. Step 3: Cross multiply
    696,651.75x = 1,045,070.78 × 275,829.21
  4. Step 4: Simplify right side
    696,651.75x = 288,261,046,262.34
  5. Step 5: Solve for x
    x = 288,261,046,262.34/696,651.75
  6. Step 6: Final answer
    x = 413,780.70

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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.