Home / 994,630.60-1,491,945.90-434,758.60

Finding the Fourth Proportional to 994,630.60, 1,491,945.90 and 434,758.60

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Solution

The fourth proportional to 994,630.60, 1,491,945.90 and 434,758.60 is: 652,137.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,630.60 : 1,491,945.90 = 434,758.60 : x
  2. Step 2: Convert to fraction form
    994,630.60/1,491,945.90 = 434,758.60/x
  3. Step 3: Cross multiply
    994,630.60x = 1,491,945.90 × 434,758.60
  4. Step 4: Simplify right side
    994,630.60x = 648,636,310,759.74
  5. Step 5: Solve for x
    x = 648,636,310,759.74/994,630.60
  6. Step 6: Final answer
    x = 652,137.90

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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.