Home / 915,610.83-1,263,481.35-507,697.57

Finding the Fourth Proportional to 915,610.83, 1,263,481.35 and 507,697.57

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Solution

The fourth proportional to 915,610.83, 1,263,481.35 and 507,697.57 is: 700,588.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,610.83 : 1,263,481.35 = 507,697.57 : x
  2. Step 2: Convert to fraction form
    915,610.83/1,263,481.35 = 507,697.57/x
  3. Step 3: Cross multiply
    915,610.83x = 1,263,481.35 × 507,697.57
  4. Step 4: Simplify right side
    915,610.83x = 641,466,404,817.91
  5. Step 5: Solve for x
    x = 641,466,404,817.91/915,610.83
  6. Step 6: Final answer
    x = 700,588.49

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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.