Home / 856,834.88-1,182,432.13-474,919.07

Finding the Fourth Proportional to 856,834.88, 1,182,432.13 and 474,919.07

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Solution

The fourth proportional to 856,834.88, 1,182,432.13 and 474,919.07 is: 655,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,834.88 : 1,182,432.13 = 474,919.07 : x
  2. Step 2: Convert to fraction form
    856,834.88/1,182,432.13 = 474,919.07/x
  3. Step 3: Cross multiply
    856,834.88x = 1,182,432.13 × 474,919.07
  4. Step 4: Simplify right side
    856,834.88x = 561,559,560,418.26
  5. Step 5: Solve for x
    x = 561,559,560,418.26/856,834.88
  6. Step 6: Final answer
    x = 655,388.31

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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.