Home / 489,876.02-676,005.90-272,098.81

Finding the Fourth Proportional to 489,876.02, 676,005.90 and 272,098.81

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Solution

The fourth proportional to 489,876.02, 676,005.90 and 272,098.81 is: 375,483.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,876.02 : 676,005.90 = 272,098.81 : x
  2. Step 2: Convert to fraction form
    489,876.02/676,005.90 = 272,098.81/x
  3. Step 3: Cross multiply
    489,876.02x = 676,005.90 × 272,098.81
  4. Step 4: Simplify right side
    489,876.02x = 183,940,400,942.98
  5. Step 5: Solve for x
    x = 183,940,400,942.98/489,876.02
  6. Step 6: Final answer
    x = 375,483.58

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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.