Home / 784,284.82-1,082,312.95-444,753.07

Finding the Fourth Proportional to 784,284.82, 1,082,312.95 and 444,753.07

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Solution

The fourth proportional to 784,284.82, 1,082,312.95 and 444,753.07 is: 613,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,284.82 : 1,082,312.95 = 444,753.07 : x
  2. Step 2: Convert to fraction form
    784,284.82/1,082,312.95 = 444,753.07/x
  3. Step 3: Cross multiply
    784,284.82x = 1,082,312.95 × 444,753.07
  4. Step 4: Simplify right side
    784,284.82x = 481,362,007,213.26
  5. Step 5: Solve for x
    x = 481,362,007,213.26/784,284.82
  6. Step 6: Final answer
    x = 613,759.18

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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.