Home / 695,942.60-1,043,913.90-538,284.20

Finding the Fourth Proportional to 695,942.60, 1,043,913.90 and 538,284.20

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Solution

The fourth proportional to 695,942.60, 1,043,913.90 and 538,284.20 is: 807,426.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,942.60 : 1,043,913.90 = 538,284.20 : x
  2. Step 2: Convert to fraction form
    695,942.60/1,043,913.90 = 538,284.20/x
  3. Step 3: Cross multiply
    695,942.60x = 1,043,913.90 × 538,284.20
  4. Step 4: Simplify right side
    695,942.60x = 561,922,358,530.38
  5. Step 5: Solve for x
    x = 561,922,358,530.38/695,942.60
  6. Step 6: Final answer
    x = 807,426.30

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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.