Home / 938,771.22-1,407,594.48-298,798.52

Finding the Fourth Proportional to 938,771.22, 1,407,594.48 and 298,798.52

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Solution

The fourth proportional to 938,771.22, 1,407,594.48 and 298,798.52 is: 448,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,771.22 : 1,407,594.48 = 298,798.52 : x
  2. Step 2: Convert to fraction form
    938,771.22/1,407,594.48 = 298,798.52/x
  3. Step 3: Cross multiply
    938,771.22x = 1,407,594.48 × 298,798.52
  4. Step 4: Simplify right side
    938,771.22x = 420,587,147,384.17
  5. Step 5: Solve for x
    x = 420,587,147,384.17/938,771.22
  6. Step 6: Final answer
    x = 448,018.79

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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.