Home / 820,153.26-1,230,644.82-553,353.06

Finding the Fourth Proportional to 820,153.26, 1,230,644.82 and 553,353.06

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Solution

The fourth proportional to 820,153.26, 1,230,644.82 and 553,353.06 is: 830,309.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,153.26 : 1,230,644.82 = 553,353.06 : x
  2. Step 2: Convert to fraction form
    820,153.26/1,230,644.82 = 553,353.06/x
  3. Step 3: Cross multiply
    820,153.26x = 1,230,644.82 × 553,353.06
  4. Step 4: Simplify right side
    820,153.26x = 680,981,076,920.15
  5. Step 5: Solve for x
    x = 680,981,076,920.15/820,153.26
  6. Step 6: Final answer
    x = 830,309.54

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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.