Home / 775,322.27-1,069,787.90-452,970.11

Finding the Fourth Proportional to 775,322.27, 1,069,787.90 and 452,970.11

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Solution

The fourth proportional to 775,322.27, 1,069,787.90 and 452,970.11 is: 625,007.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,322.27 : 1,069,787.90 = 452,970.11 : x
  2. Step 2: Convert to fraction form
    775,322.27/1,069,787.90 = 452,970.11/x
  3. Step 3: Cross multiply
    775,322.27x = 1,069,787.90 × 452,970.11
  4. Step 4: Simplify right side
    775,322.27x = 484,581,946,546.56
  5. Step 5: Solve for x
    x = 484,581,946,546.56/775,322.27
  6. Step 6: Final answer
    x = 625,007.13

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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.