Home / 782,351.42-1,173,710.19-242,579.30

Finding the Fourth Proportional to 782,351.42, 1,173,710.19 and 242,579.30

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Solution

The fourth proportional to 782,351.42, 1,173,710.19 and 242,579.30 is: 363,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,351.42 : 1,173,710.19 = 242,579.30 : x
  2. Step 2: Convert to fraction form
    782,351.42/1,173,710.19 = 242,579.30/x
  3. Step 3: Cross multiply
    782,351.42x = 1,173,710.19 × 242,579.30
  4. Step 4: Simplify right side
    782,351.42x = 284,717,796,293.07
  5. Step 5: Solve for x
    x = 284,717,796,293.07/782,351.42
  6. Step 6: Final answer
    x = 363,925.71

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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.