Home / 820,343.70-1,132,138.77-452,893.87

Finding the Fourth Proportional to 820,343.70, 1,132,138.77 and 452,893.87

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Solution

The fourth proportional to 820,343.70, 1,132,138.77 and 452,893.87 is: 625,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,343.70 : 1,132,138.77 = 452,893.87 : x
  2. Step 2: Convert to fraction form
    820,343.70/1,132,138.77 = 452,893.87/x
  3. Step 3: Cross multiply
    820,343.70x = 1,132,138.77 × 452,893.87
  4. Step 4: Simplify right side
    820,343.70x = 512,738,706,728.66
  5. Step 5: Solve for x
    x = 512,738,706,728.66/820,343.70
  6. Step 6: Final answer
    x = 625,029.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.