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Finding the Fourth Proportional to 540,651.36, 746,033.76 and 298,901.28

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Solution

The fourth proportional to 540,651.36, 746,033.76 and 298,901.28 is: 412,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,651.36 : 746,033.76 = 298,901.28 : x
  2. Step 2: Convert to fraction form
    540,651.36/746,033.76 = 298,901.28/x
  3. Step 3: Cross multiply
    540,651.36x = 746,033.76 × 298,901.28
  4. Step 4: Simplify right side
    540,651.36x = 222,990,445,787.21
  5. Step 5: Solve for x
    x = 222,990,445,787.21/540,651.36
  6. Step 6: Final answer
    x = 412,447.77

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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.