Home / 774,379.94-1,161,307.90-294,493.71

Finding the Fourth Proportional to 774,379.94, 1,161,307.90 and 294,493.71

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Solution

The fourth proportional to 774,379.94, 1,161,307.90 and 294,493.71 is: 441,640.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,379.94 : 1,161,307.90 = 294,493.71 : x
  2. Step 2: Convert to fraction form
    774,379.94/1,161,307.90 = 294,493.71/x
  3. Step 3: Cross multiply
    774,379.94x = 1,161,307.90 × 294,493.71
  4. Step 4: Simplify right side
    774,379.94x = 341,997,871,923.31
  5. Step 5: Solve for x
    x = 341,997,871,923.31/774,379.94
  6. Step 6: Final answer
    x = 441,640.92

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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.