Home / 820,225.54-1,131,938.28-476,035.48

Finding the Fourth Proportional to 820,225.54, 1,131,938.28 and 476,035.48

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Solution

The fourth proportional to 820,225.54, 1,131,938.28 and 476,035.48 is: 656,944.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,225.54 : 1,131,938.28 = 476,035.48 : x
  2. Step 2: Convert to fraction form
    820,225.54/1,131,938.28 = 476,035.48/x
  3. Step 3: Cross multiply
    820,225.54x = 1,131,938.28 × 476,035.48
  4. Step 4: Simplify right side
    820,225.54x = 538,842,782,450.17
  5. Step 5: Solve for x
    x = 538,842,782,450.17/820,225.54
  6. Step 6: Final answer
    x = 656,944.65

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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.