Home / 938,350.96-1,294,889.66-508,621.88

Finding the Fourth Proportional to 938,350.96, 1,294,889.66 and 508,621.88

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Solution

The fourth proportional to 938,350.96, 1,294,889.66 and 508,621.88 is: 701,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,350.96 : 1,294,889.66 = 508,621.88 : x
  2. Step 2: Convert to fraction form
    938,350.96/1,294,889.66 = 508,621.88/x
  3. Step 3: Cross multiply
    938,350.96x = 1,294,889.66 × 508,621.88
  4. Step 4: Simplify right side
    938,350.96x = 658,609,213,261.76
  5. Step 5: Solve for x
    x = 658,609,213,261.76/938,350.96
  6. Step 6: Final answer
    x = 701,879.40

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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.