Home / 827,151.21-1,240,048.71-294,368.85

Finding the Fourth Proportional to 827,151.21, 1,240,048.71 and 294,368.85

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Solution

The fourth proportional to 827,151.21, 1,240,048.71 and 294,368.85 is: 441,311.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,151.21 : 1,240,048.71 = 294,368.85 : x
  2. Step 2: Convert to fraction form
    827,151.21/1,240,048.71 = 294,368.85/x
  3. Step 3: Cross multiply
    827,151.21x = 1,240,048.71 × 294,368.85
  4. Step 4: Simplify right side
    827,151.21x = 365,031,712,706.68
  5. Step 5: Solve for x
    x = 365,031,712,706.68/827,151.21
  6. Step 6: Final answer
    x = 441,311.95

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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.