Home / 436,267.40-654,401.10-330,513.80

Finding the Fourth Proportional to 436,267.40, 654,401.10 and 330,513.80

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Solution

The fourth proportional to 436,267.40, 654,401.10 and 330,513.80 is: 495,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,267.40 : 654,401.10 = 330,513.80 : x
  2. Step 2: Convert to fraction form
    436,267.40/654,401.10 = 330,513.80/x
  3. Step 3: Cross multiply
    436,267.40x = 654,401.10 × 330,513.80
  4. Step 4: Simplify right side
    436,267.40x = 216,288,594,285.18
  5. Step 5: Solve for x
    x = 216,288,594,285.18/436,267.40
  6. Step 6: Final answer
    x = 495,770.70

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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.