Home / 996,412.80-1,494,619.20-331,564.80

Finding the Fourth Proportional to 996,412.80, 1,494,619.20 and 331,564.80

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Solution

The fourth proportional to 996,412.80, 1,494,619.20 and 331,564.80 is: 497,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,412.80 : 1,494,619.20 = 331,564.80 : x
  2. Step 2: Convert to fraction form
    996,412.80/1,494,619.20 = 331,564.80/x
  3. Step 3: Cross multiply
    996,412.80x = 1,494,619.20 × 331,564.80
  4. Step 4: Simplify right side
    996,412.80x = 495,563,116,124.16
  5. Step 5: Solve for x
    x = 495,563,116,124.16/996,412.80
  6. Step 6: Final answer
    x = 497,347.20

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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.