Home / 839,858.49-1,159,009.97-457,891.65

Finding the Fourth Proportional to 839,858.49, 1,159,009.97 and 457,891.65

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Solution

The fourth proportional to 839,858.49, 1,159,009.97 and 457,891.65 is: 631,893.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,858.49 : 1,159,009.97 = 457,891.65 : x
  2. Step 2: Convert to fraction form
    839,858.49/1,159,009.97 = 457,891.65/x
  3. Step 3: Cross multiply
    839,858.49x = 1,159,009.97 × 457,891.65
  4. Step 4: Simplify right side
    839,858.49x = 530,700,985,240.29
  5. Step 5: Solve for x
    x = 530,700,985,240.29/839,858.49
  6. Step 6: Final answer
    x = 631,893.34

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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.