Home / 696,455.97-1,044,979.20-380,543.82

Finding the Fourth Proportional to 696,455.97, 1,044,979.20 and 380,543.82

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Solution

The fourth proportional to 696,455.97, 1,044,979.20 and 380,543.82 is: 570,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,455.97 : 1,044,979.20 = 380,543.82 : x
  2. Step 2: Convert to fraction form
    696,455.97/1,044,979.20 = 380,543.82/x
  3. Step 3: Cross multiply
    696,455.97x = 1,044,979.20 × 380,543.82
  4. Step 4: Simplify right side
    696,455.97x = 397,660,376,588.54
  5. Step 5: Solve for x
    x = 397,660,376,588.54/696,455.97
  6. Step 6: Final answer
    x = 570,977.05

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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.