Home / 827,121.42-1,240,931.31-294,573.15

Finding the Fourth Proportional to 827,121.42, 1,240,931.31 and 294,573.15

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Solution

The fourth proportional to 827,121.42, 1,240,931.31 and 294,573.15 is: 441,948.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,121.42 : 1,240,931.31 = 294,573.15 : x
  2. Step 2: Convert to fraction form
    827,121.42/1,240,931.31 = 294,573.15/x
  3. Step 3: Cross multiply
    827,121.42x = 1,240,931.31 × 294,573.15
  4. Step 4: Simplify right side
    827,121.42x = 365,545,044,920.33
  5. Step 5: Solve for x
    x = 365,545,044,920.33/827,121.42
  6. Step 6: Final answer
    x = 441,948.47

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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.