Home / 938,354.48-1,407,512.02-228,386.48

Finding the Fourth Proportional to 938,354.48, 1,407,512.02 and 228,386.48

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Solution

The fourth proportional to 938,354.48, 1,407,512.02 and 228,386.48 is: 342,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,354.48 : 1,407,512.02 = 228,386.48 : x
  2. Step 2: Convert to fraction form
    938,354.48/1,407,512.02 = 228,386.48/x
  3. Step 3: Cross multiply
    938,354.48x = 1,407,512.02 × 228,386.48
  4. Step 4: Simplify right side
    938,354.48x = 321,456,715,805.49
  5. Step 5: Solve for x
    x = 321,456,715,805.49/938,354.48
  6. Step 6: Final answer
    x = 342,574.93

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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.