Home / 684,912.24-945,180.02-379,001.50

Finding the Fourth Proportional to 684,912.24, 945,180.02 and 379,001.50

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Solution

The fourth proportional to 684,912.24, 945,180.02 and 379,001.50 is: 523,022.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,912.24 : 945,180.02 = 379,001.50 : x
  2. Step 2: Convert to fraction form
    684,912.24/945,180.02 = 379,001.50/x
  3. Step 3: Cross multiply
    684,912.24x = 945,180.02 × 379,001.50
  4. Step 4: Simplify right side
    684,912.24x = 358,224,643,934.58
  5. Step 5: Solve for x
    x = 358,224,643,934.58/684,912.24
  6. Step 6: Final answer
    x = 523,022.69

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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.