Home / 947,049.49-1,306,906.81-517,331.53

Finding the Fourth Proportional to 947,049.49, 1,306,906.81 and 517,331.53

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Solution

The fourth proportional to 947,049.49, 1,306,906.81 and 517,331.53 is: 713,905.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,049.49 : 1,306,906.81 = 517,331.53 : x
  2. Step 2: Convert to fraction form
    947,049.49/1,306,906.81 = 517,331.53/x
  3. Step 3: Cross multiply
    947,049.49x = 1,306,906.81 × 517,331.53
  4. Step 4: Simplify right side
    947,049.49x = 676,104,099,584.72
  5. Step 5: Solve for x
    x = 676,104,099,584.72/947,049.49
  6. Step 6: Final answer
    x = 713,905.77

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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.