Home / 820,151.28-1,230,085.06-370,767.64

Finding the Fourth Proportional to 820,151.28, 1,230,085.06 and 370,767.64

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Solution

The fourth proportional to 820,151.28, 1,230,085.06 and 370,767.64 is: 556,087.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,151.28 : 1,230,085.06 = 370,767.64 : x
  2. Step 2: Convert to fraction form
    820,151.28/1,230,085.06 = 370,767.64/x
  3. Step 3: Cross multiply
    820,151.28x = 1,230,085.06 × 370,767.64
  4. Step 4: Simplify right side
    820,151.28x = 456,075,734,695.46
  5. Step 5: Solve for x
    x = 456,075,734,695.46/820,151.28
  6. Step 6: Final answer
    x = 556,087.33

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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.