Home / 777,141.87-1,164,925.49-377,445.75

Finding the Fourth Proportional to 777,141.87, 1,164,925.49 and 377,445.75

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Solution

The fourth proportional to 777,141.87, 1,164,925.49 and 377,445.75 is: 565,786.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,141.87 : 1,164,925.49 = 377,445.75 : x
  2. Step 2: Convert to fraction form
    777,141.87/1,164,925.49 = 377,445.75/x
  3. Step 3: Cross multiply
    777,141.87x = 1,164,925.49 × 377,445.75
  4. Step 4: Simplify right side
    777,141.87x = 439,696,173,379.94
  5. Step 5: Solve for x
    x = 439,696,173,379.94/777,141.87
  6. Step 6: Final answer
    x = 565,786.24

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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.