Home / 778,518.10-1,167,813.60-246,080.80

Finding the Fourth Proportional to 778,518.10, 1,167,813.60 and 246,080.80

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Solution

The fourth proportional to 778,518.10, 1,167,813.60 and 246,080.80 is: 369,132.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,518.10 : 1,167,813.60 = 246,080.80 : x
  2. Step 2: Convert to fraction form
    778,518.10/1,167,813.60 = 246,080.80/x
  3. Step 3: Cross multiply
    778,518.10x = 1,167,813.60 × 246,080.80
  4. Step 4: Simplify right side
    778,518.10x = 287,376,504,938.88
  5. Step 5: Solve for x
    x = 287,376,504,938.88/778,518.10
  6. Step 6: Final answer
    x = 369,132.72

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1.5x scale

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.