Home / 791,159.04-1,186,787.84-258,736.64

Finding the Fourth Proportional to 791,159.04, 1,186,787.84 and 258,736.64

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Solution

The fourth proportional to 791,159.04, 1,186,787.84 and 258,736.64 is: 388,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,159.04 : 1,186,787.84 = 258,736.64 : x
  2. Step 2: Convert to fraction form
    791,159.04/1,186,787.84 = 258,736.64/x
  3. Step 3: Cross multiply
    791,159.04x = 1,186,787.84 × 258,736.64
  4. Step 4: Simplify right side
    791,159.04x = 307,065,498,114.46
  5. Step 5: Solve for x
    x = 307,065,498,114.46/791,159.04
  6. Step 6: Final answer
    x = 388,121.08

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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.