Home / 784,981.42-1,083,261.24-440,820.52

Finding the Fourth Proportional to 784,981.42, 1,083,261.24 and 440,820.52

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Solution

The fourth proportional to 784,981.42, 1,083,261.24 and 440,820.52 is: 608,324.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,981.42 : 1,083,261.24 = 440,820.52 : x
  2. Step 2: Convert to fraction form
    784,981.42/1,083,261.24 = 440,820.52/x
  3. Step 3: Cross multiply
    784,981.42x = 1,083,261.24 × 440,820.52
  4. Step 4: Simplify right side
    784,981.42x = 477,523,783,112.65
  5. Step 5: Solve for x
    x = 477,523,783,112.65/784,981.42
  6. Step 6: Final answer
    x = 608,324.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.