Home / 909,299.32-1,364,342.34-488,083.48

Finding the Fourth Proportional to 909,299.32, 1,364,342.34 and 488,083.48

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Solution

The fourth proportional to 909,299.32, 1,364,342.34 and 488,083.48 is: 732,336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,299.32 : 1,364,342.34 = 488,083.48 : x
  2. Step 2: Convert to fraction form
    909,299.32/1,364,342.34 = 488,083.48/x
  3. Step 3: Cross multiply
    909,299.32x = 1,364,342.34 × 488,083.48
  4. Step 4: Simplify right side
    909,299.32x = 665,912,957,218.54
  5. Step 5: Solve for x
    x = 665,912,957,218.54/909,299.32
  6. Step 6: Final answer
    x = 732,336.36

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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.