Home / 778,118.02-1,167,279.10-304,741.87

Finding the Fourth Proportional to 778,118.02, 1,167,279.10 and 304,741.87

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Solution

The fourth proportional to 778,118.02, 1,167,279.10 and 304,741.87 is: 457,152.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,118.02 : 1,167,279.10 = 304,741.87 : x
  2. Step 2: Convert to fraction form
    778,118.02/1,167,279.10 = 304,741.87/x
  3. Step 3: Cross multiply
    778,118.02x = 1,167,279.10 × 304,741.87
  4. Step 4: Simplify right side
    778,118.02x = 355,718,815,745.92
  5. Step 5: Solve for x
    x = 355,718,815,745.92/778,118.02
  6. Step 6: Final answer
    x = 457,152.78

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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.