Home / 947,121.52-1,420,528.92-347,935.36

Finding the Fourth Proportional to 947,121.52, 1,420,528.92 and 347,935.36

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Solution

The fourth proportional to 947,121.52, 1,420,528.92 and 347,935.36 is: 521,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,121.52 : 1,420,528.92 = 347,935.36 : x
  2. Step 2: Convert to fraction form
    947,121.52/1,420,528.92 = 347,935.36/x
  3. Step 3: Cross multiply
    947,121.52x = 1,420,528.92 × 347,935.36
  4. Step 4: Simplify right side
    947,121.52x = 494,252,241,170.61
  5. Step 5: Solve for x
    x = 494,252,241,170.61/947,121.52
  6. Step 6: Final answer
    x = 521,846.70

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1.5x scale

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.