Home / 778,120.02-1,167,282.10-304,743.86

Finding the Fourth Proportional to 778,120.02, 1,167,282.10 and 304,743.86

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Solution

The fourth proportional to 778,120.02, 1,167,282.10 and 304,743.86 is: 457,155.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,120.02 : 1,167,282.10 = 304,743.86 : x
  2. Step 2: Convert to fraction form
    778,120.02/1,167,282.10 = 304,743.86/x
  3. Step 3: Cross multiply
    778,120.02x = 1,167,282.10 × 304,743.86
  4. Step 4: Simplify right side
    778,120.02x = 355,722,052,862.91
  5. Step 5: Solve for x
    x = 355,722,052,862.91/778,120.02
  6. Step 6: Final answer
    x = 457,155.76

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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.