Home / 696,421.05-1,044,865.25-269,970.78

Finding the Fourth Proportional to 696,421.05, 1,044,865.25 and 269,970.78

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Solution

The fourth proportional to 696,421.05, 1,044,865.25 and 269,970.78 is: 405,046.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,421.05 : 1,044,865.25 = 269,970.78 : x
  2. Step 2: Convert to fraction form
    696,421.05/1,044,865.25 = 269,970.78/x
  3. Step 3: Cross multiply
    696,421.05x = 1,044,865.25 × 269,970.78
  4. Step 4: Simplify right side
    696,421.05x = 282,083,086,537.40
  5. Step 5: Solve for x
    x = 282,083,086,537.40/696,421.05
  6. Step 6: Final answer
    x = 405,046.76

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1.5x scale

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.