Home / 489,911.02-676,059.84-275,060.14

Finding the Fourth Proportional to 489,911.02, 676,059.84 and 275,060.14

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Solution

The fourth proportional to 489,911.02, 676,059.84 and 275,060.14 is: 379,573.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,911.02 : 676,059.84 = 275,060.14 : x
  2. Step 2: Convert to fraction form
    489,911.02/676,059.84 = 275,060.14/x
  3. Step 3: Cross multiply
    489,911.02x = 676,059.84 × 275,060.14
  4. Step 4: Simplify right side
    489,911.02x = 185,957,112,548.63
  5. Step 5: Solve for x
    x = 185,957,112,548.63/489,911.02
  6. Step 6: Final answer
    x = 379,573.24

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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.