Home / 892,653.90-1,339,110.45-293,642.70

Finding the Fourth Proportional to 892,653.90, 1,339,110.45 and 293,642.70

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Solution

The fourth proportional to 892,653.90, 1,339,110.45 and 293,642.70 is: 440,506.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,653.90 : 1,339,110.45 = 293,642.70 : x
  2. Step 2: Convert to fraction form
    892,653.90/1,339,110.45 = 293,642.70/x
  3. Step 3: Cross multiply
    892,653.90x = 1,339,110.45 × 293,642.70
  4. Step 4: Simplify right side
    892,653.90x = 393,220,008,136.22
  5. Step 5: Solve for x
    x = 393,220,008,136.22/892,653.90
  6. Step 6: Final answer
    x = 440,506.68

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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.