Home / 386,054.70-579,600.45-246,432.30

Finding the Fourth Proportional to 386,054.70, 579,600.45 and 246,432.30

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Solution

The fourth proportional to 386,054.70, 579,600.45 and 246,432.30 is: 369,979.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,054.70 : 579,600.45 = 246,432.30 : x
  2. Step 2: Convert to fraction form
    386,054.70/579,600.45 = 246,432.30/x
  3. Step 3: Cross multiply
    386,054.70x = 579,600.45 × 246,432.30
  4. Step 4: Simplify right side
    386,054.70x = 142,832,271,974.54
  5. Step 5: Solve for x
    x = 142,832,271,974.54/386,054.70
  6. Step 6: Final answer
    x = 369,979.36

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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.