Home / 782,244.96-1,079,408.72-438,033.04

Finding the Fourth Proportional to 782,244.96, 1,079,408.72 and 438,033.04

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Solution

The fourth proportional to 782,244.96, 1,079,408.72 and 438,033.04 is: 604,435.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,244.96 : 1,079,408.72 = 438,033.04 : x
  2. Step 2: Convert to fraction form
    782,244.96/1,079,408.72 = 438,033.04/x
  3. Step 3: Cross multiply
    782,244.96x = 1,079,408.72 × 438,033.04
  4. Step 4: Simplify right side
    782,244.96x = 472,816,683,024.11
  5. Step 5: Solve for x
    x = 472,816,683,024.11/782,244.96
  6. Step 6: Final answer
    x = 604,435.58

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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.