Home / 739,192.52-1,108,908.59-289,669.65

Finding the Fourth Proportional to 739,192.52, 1,108,908.59 and 289,669.65

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Solution

The fourth proportional to 739,192.52, 1,108,908.59 and 289,669.65 is: 434,551.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,192.52 : 1,108,908.59 = 289,669.65 : x
  2. Step 2: Convert to fraction form
    739,192.52/1,108,908.59 = 289,669.65/x
  3. Step 3: Cross multiply
    739,192.52x = 1,108,908.59 × 289,669.65
  4. Step 4: Simplify right side
    739,192.52x = 321,217,161,698.95
  5. Step 5: Solve for x
    x = 321,217,161,698.95/739,192.52
  6. Step 6: Final answer
    x = 434,551.43

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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.