Home / 777,880.08-1,166,550.24-272,429.91

Finding the Fourth Proportional to 777,880.08, 1,166,550.24 and 272,429.91

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Solution

The fourth proportional to 777,880.08, 1,166,550.24 and 272,429.91 is: 408,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,880.08 : 1,166,550.24 = 272,429.91 : x
  2. Step 2: Convert to fraction form
    777,880.08/1,166,550.24 = 272,429.91/x
  3. Step 3: Cross multiply
    777,880.08x = 1,166,550.24 × 272,429.91
  4. Step 4: Simplify right side
    777,880.08x = 317,803,176,893.68
  5. Step 5: Solve for x
    x = 317,803,176,893.68/777,880.08
  6. Step 6: Final answer
    x = 408,550.35

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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.