Home / 855,067.47-1,179,706.59-492,484.07

Finding the Fourth Proportional to 855,067.47, 1,179,706.59 and 492,484.07

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Solution

The fourth proportional to 855,067.47, 1,179,706.59 and 492,484.07 is: 679,462.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,067.47 : 1,179,706.59 = 492,484.07 : x
  2. Step 2: Convert to fraction form
    855,067.47/1,179,706.59 = 492,484.07/x
  3. Step 3: Cross multiply
    855,067.47x = 1,179,706.59 × 492,484.07
  4. Step 4: Simplify right side
    855,067.47x = 580,986,696,950.49
  5. Step 5: Solve for x
    x = 580,986,696,950.49/855,067.47
  6. Step 6: Final answer
    x = 679,462.99

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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.