Home / 927,754.71-1,391,849.86-288,025.77

Finding the Fourth Proportional to 927,754.71, 1,391,849.86 and 288,025.77

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Solution

The fourth proportional to 927,754.71, 1,391,849.86 and 288,025.77 is: 432,106.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,754.71 : 1,391,849.86 = 288,025.77 : x
  2. Step 2: Convert to fraction form
    927,754.71/1,391,849.86 = 288,025.77/x
  3. Step 3: Cross multiply
    927,754.71x = 1,391,849.86 × 288,025.77
  4. Step 4: Simplify right side
    927,754.71x = 400,888,631,880.24
  5. Step 5: Solve for x
    x = 400,888,631,880.24/927,754.71
  6. Step 6: Final answer
    x = 432,106.27

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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.