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Finding the Fourth Proportional to 578,686.73, 798,600.49 and 330,323.56

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Solution

The fourth proportional to 578,686.73, 798,600.49 and 330,323.56 is: 455,853.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,686.73 : 798,600.49 = 330,323.56 : x
  2. Step 2: Convert to fraction form
    578,686.73/798,600.49 = 330,323.56/x
  3. Step 3: Cross multiply
    578,686.73x = 798,600.49 × 330,323.56
  4. Step 4: Simplify right side
    578,686.73x = 263,796,554,052.23
  5. Step 5: Solve for x
    x = 263,796,554,052.23/578,686.73
  6. Step 6: Final answer
    x = 455,853.82

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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.