Home / 775,606.05-1,070,489.66-503,291.61

Finding the Fourth Proportional to 775,606.05, 1,070,489.66 and 503,291.61

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Solution

The fourth proportional to 775,606.05, 1,070,489.66 and 503,291.61 is: 694,641.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,606.05 : 1,070,489.66 = 503,291.61 : x
  2. Step 2: Convert to fraction form
    775,606.05/1,070,489.66 = 503,291.61/x
  3. Step 3: Cross multiply
    775,606.05x = 1,070,489.66 × 503,291.61
  4. Step 4: Simplify right side
    775,606.05x = 538,768,461,953.30
  5. Step 5: Solve for x
    x = 538,768,461,953.30/775,606.05
  6. Step 6: Final answer
    x = 694,641.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.