Home / 785,860.32-1,178,798.70-629,085.36

Finding the Fourth Proportional to 785,860.32, 1,178,798.70 and 629,085.36

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Solution

The fourth proportional to 785,860.32, 1,178,798.70 and 629,085.36 is: 943,634.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,860.32 : 1,178,798.70 = 629,085.36 : x
  2. Step 2: Convert to fraction form
    785,860.32/1,178,798.70 = 629,085.36/x
  3. Step 3: Cross multiply
    785,860.32x = 1,178,798.70 × 629,085.36
  4. Step 4: Simplify right side
    785,860.32x = 741,565,004,557.03
  5. Step 5: Solve for x
    x = 741,565,004,557.03/785,860.32
  6. Step 6: Final answer
    x = 943,634.62

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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.