Home / 778,815.10-1,168,259.10-246,377.80

Finding the Fourth Proportional to 778,815.10, 1,168,259.10 and 246,377.80

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Solution

The fourth proportional to 778,815.10, 1,168,259.10 and 246,377.80 is: 369,578.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,815.10 : 1,168,259.10 = 246,377.80 : x
  2. Step 2: Convert to fraction form
    778,815.10/1,168,259.10 = 246,377.80/x
  3. Step 3: Cross multiply
    778,815.10x = 1,168,259.10 × 246,377.80
  4. Step 4: Simplify right side
    778,815.10x = 287,833,106,887.98
  5. Step 5: Solve for x
    x = 287,833,106,887.98/778,815.10
  6. Step 6: Final answer
    x = 369,578.23

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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.