Home / 820,149.28-1,230,082.06-370,765.63

Finding the Fourth Proportional to 820,149.28, 1,230,082.06 and 370,765.63

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Solution

The fourth proportional to 820,149.28, 1,230,082.06 and 370,765.63 is: 556,084.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,149.28 : 1,230,082.06 = 370,765.63 : x
  2. Step 2: Convert to fraction form
    820,149.28/1,230,082.06 = 370,765.63/x
  3. Step 3: Cross multiply
    820,149.28x = 1,230,082.06 × 370,765.63
  4. Step 4: Simplify right side
    820,149.28x = 456,072,149,927.60
  5. Step 5: Solve for x
    x = 456,072,149,927.60/820,149.28
  6. Step 6: Final answer
    x = 556,084.31

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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.