Home / 785,159.84-1,177,714.64-329,992.22

Finding the Fourth Proportional to 785,159.84, 1,177,714.64 and 329,992.22

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Solution

The fourth proportional to 785,159.84, 1,177,714.64 and 329,992.22 is: 494,977.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,159.84 : 1,177,714.64 = 329,992.22 : x
  2. Step 2: Convert to fraction form
    785,159.84/1,177,714.64 = 329,992.22/x
  3. Step 3: Cross multiply
    785,159.84x = 1,177,714.64 × 329,992.22
  4. Step 4: Simplify right side
    785,159.84x = 388,636,668,580.10
  5. Step 5: Solve for x
    x = 388,636,668,580.10/785,159.84
  6. Step 6: Final answer
    x = 494,977.77

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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.