Home / 990,680.48-1,485,540.02-484,648.76

Finding the Fourth Proportional to 990,680.48, 1,485,540.02 and 484,648.76

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Solution

The fourth proportional to 990,680.48, 1,485,540.02 and 484,648.76 is: 726,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,680.48 : 1,485,540.02 = 484,648.76 : x
  2. Step 2: Convert to fraction form
    990,680.48/1,485,540.02 = 484,648.76/x
  3. Step 3: Cross multiply
    990,680.48x = 1,485,540.02 × 484,648.76
  4. Step 4: Simplify right side
    990,680.48x = 719,965,128,623.38
  5. Step 5: Solve for x
    x = 719,965,128,623.38/990,680.48
  6. Step 6: Final answer
    x = 726,737.98

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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.