Home / 696,072.60-1,043,417.70-321,442.20

Finding the Fourth Proportional to 696,072.60, 1,043,417.70 and 321,442.20

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Solution

The fourth proportional to 696,072.60, 1,043,417.70 and 321,442.20 is: 481,844.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,072.60 : 1,043,417.70 = 321,442.20 : x
  2. Step 2: Convert to fraction form
    696,072.60/1,043,417.70 = 321,442.20/x
  3. Step 3: Cross multiply
    696,072.60x = 1,043,417.70 × 321,442.20
  4. Step 4: Simplify right side
    696,072.60x = 335,398,481,006.94
  5. Step 5: Solve for x
    x = 335,398,481,006.94/696,072.60
  6. Step 6: Final answer
    x = 481,844.11

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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.