Home / 489,913.92-676,032.48-298,974.24

Finding the Fourth Proportional to 489,913.92, 676,032.48 and 298,974.24

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Solution

The fourth proportional to 489,913.92, 676,032.48 and 298,974.24 is: 412,554.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,913.92 : 676,032.48 = 298,974.24 : x
  2. Step 2: Convert to fraction form
    489,913.92/676,032.48 = 298,974.24/x
  3. Step 3: Cross multiply
    489,913.92x = 676,032.48 × 298,974.24
  4. Step 4: Simplify right side
    489,913.92x = 202,116,296,923.32
  5. Step 5: Solve for x
    x = 202,116,296,923.32/489,913.92
  6. Step 6: Final answer
    x = 412,554.71

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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.