Home / 386,473.04-578,793.24-306,253.07

Finding the Fourth Proportional to 386,473.04, 578,793.24 and 306,253.07

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Solution

The fourth proportional to 386,473.04, 578,793.24 and 306,253.07 is: 458,653.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,473.04 : 578,793.24 = 306,253.07 : x
  2. Step 2: Convert to fraction form
    386,473.04/578,793.24 = 306,253.07/x
  3. Step 3: Cross multiply
    386,473.04x = 578,793.24 × 306,253.07
  4. Step 4: Simplify right side
    386,473.04x = 177,257,203,751.28
  5. Step 5: Solve for x
    x = 177,257,203,751.28/386,473.04
  6. Step 6: Final answer
    x = 458,653.48

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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.