Home / 489,234.22-675,217.02-298,358.32

Finding the Fourth Proportional to 489,234.22, 675,217.02 and 298,358.32

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Solution

The fourth proportional to 489,234.22, 675,217.02 and 298,358.32 is: 411,779.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,234.22 : 675,217.02 = 298,358.32 : x
  2. Step 2: Convert to fraction form
    489,234.22/675,217.02 = 298,358.32/x
  3. Step 3: Cross multiply
    489,234.22x = 675,217.02 × 298,358.32
  4. Step 4: Simplify right side
    489,234.22x = 201,456,615,722.61
  5. Step 5: Solve for x
    x = 201,456,615,722.61/489,234.22
  6. Step 6: Final answer
    x = 411,779.49

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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.