Home / 820,233.70-1,230,350.55-465,939.70

Finding the Fourth Proportional to 820,233.70, 1,230,350.55 and 465,939.70

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Solution

The fourth proportional to 820,233.70, 1,230,350.55 and 465,939.70 is: 698,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,233.70 : 1,230,350.55 = 465,939.70 : x
  2. Step 2: Convert to fraction form
    820,233.70/1,230,350.55 = 465,939.70/x
  3. Step 3: Cross multiply
    820,233.70x = 1,230,350.55 × 465,939.70
  4. Step 4: Simplify right side
    820,233.70x = 573,269,166,161.84
  5. Step 5: Solve for x
    x = 573,269,166,161.84/820,233.70
  6. Step 6: Final answer
    x = 698,909.55

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1.5x scale

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.