Home / 915,743.68-1,263,691.08-507,862.24

Finding the Fourth Proportional to 915,743.68, 1,263,691.08 and 507,862.24

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Solution

The fourth proportional to 915,743.68, 1,263,691.08 and 507,862.24 is: 700,830.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,743.68 : 1,263,691.08 = 507,862.24 : x
  2. Step 2: Convert to fraction form
    915,743.68/1,263,691.08 = 507,862.24/x
  3. Step 3: Cross multiply
    915,743.68x = 1,263,691.08 × 507,862.24
  4. Step 4: Simplify right side
    915,743.68x = 641,780,982,556.82
  5. Step 5: Solve for x
    x = 641,780,982,556.82/915,743.68
  6. Step 6: Final answer
    x = 700,830.37

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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.