Home / 876,945.30-1,312,793.55-782,466.90

Finding the Fourth Proportional to 876,945.30, 1,312,793.55 and 782,466.90

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Solution

The fourth proportional to 876,945.30, 1,312,793.55 and 782,466.90 is: 1,171,358.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,945.30 : 1,312,793.55 = 782,466.90 : x
  2. Step 2: Convert to fraction form
    876,945.30/1,312,793.55 = 782,466.90/x
  3. Step 3: Cross multiply
    876,945.30x = 1,312,793.55 × 782,466.90
  4. Step 4: Simplify right side
    876,945.30x = 1,027,217,499,408.50
  5. Step 5: Solve for x
    x = 1,027,217,499,408.50/876,945.30
  6. Step 6: Final answer
    x = 1,171,358.69

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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.