Home / 696,064.60-1,043,405.70-321,434.20

Finding the Fourth Proportional to 696,064.60, 1,043,405.70 and 321,434.20

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Solution

The fourth proportional to 696,064.60, 1,043,405.70 and 321,434.20 is: 481,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,064.60 : 1,043,405.70 = 321,434.20 : x
  2. Step 2: Convert to fraction form
    696,064.60/1,043,405.70 = 321,434.20/x
  3. Step 3: Cross multiply
    696,064.60x = 1,043,405.70 × 321,434.20
  4. Step 4: Simplify right side
    696,064.60x = 335,386,276,454.94
  5. Step 5: Solve for x
    x = 335,386,276,454.94/696,064.60
  6. Step 6: Final answer
    x = 481,832.11

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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.