Home / 739,686.24-1,109,561.04-290,504.52

Finding the Fourth Proportional to 739,686.24, 1,109,561.04 and 290,504.52

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Solution

The fourth proportional to 739,686.24, 1,109,561.04 and 290,504.52 is: 435,769.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,686.24 : 1,109,561.04 = 290,504.52 : x
  2. Step 2: Convert to fraction form
    739,686.24/1,109,561.04 = 290,504.52/x
  3. Step 3: Cross multiply
    739,686.24x = 1,109,561.04 × 290,504.52
  4. Step 4: Simplify right side
    739,686.24x = 322,332,497,335.90
  5. Step 5: Solve for x
    x = 322,332,497,335.90/739,686.24
  6. Step 6: Final answer
    x = 435,769.22

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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.