Home / 785,156.84-1,177,710.15-329,989.22

Finding the Fourth Proportional to 785,156.84, 1,177,710.15 and 329,989.22

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Solution

The fourth proportional to 785,156.84, 1,177,710.15 and 329,989.22 is: 494,973.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,156.84 : 1,177,710.15 = 329,989.22 : x
  2. Step 2: Convert to fraction form
    785,156.84/1,177,710.15 = 329,989.22/x
  3. Step 3: Cross multiply
    785,156.84x = 1,177,710.15 × 329,989.22
  4. Step 4: Simplify right side
    785,156.84x = 388,631,653,784.58
  5. Step 5: Solve for x
    x = 388,631,653,784.58/785,156.84
  6. Step 6: Final answer
    x = 494,973.28

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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.