Home / 782,148.96-1,079,365.52-424,452.96

Finding the Fourth Proportional to 782,148.96, 1,079,365.52 and 424,452.96

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Solution

The fourth proportional to 782,148.96, 1,079,365.52 and 424,452.96 is: 585,745.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,148.96 : 1,079,365.52 = 424,452.96 : x
  2. Step 2: Convert to fraction form
    782,148.96/1,079,365.52 = 424,452.96/x
  3. Step 3: Cross multiply
    782,148.96x = 1,079,365.52 × 424,452.96
  4. Step 4: Simplify right side
    782,148.96x = 458,139,889,885.94
  5. Step 5: Solve for x
    x = 458,139,889,885.94/782,148.96
  6. Step 6: Final answer
    x = 585,745.06

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1.5x scale

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.