Home / 854,894.54-1,179,719.61-492,332.06

Finding the Fourth Proportional to 854,894.54, 1,179,719.61 and 492,332.06

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Solution

The fourth proportional to 854,894.54, 1,179,719.61 and 492,332.06 is: 679,398.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,894.54 : 1,179,719.61 = 492,332.06 : x
  2. Step 2: Convert to fraction form
    854,894.54/1,179,719.61 = 492,332.06/x
  3. Step 3: Cross multiply
    854,894.54x = 1,179,719.61 × 492,332.06
  4. Step 4: Simplify right side
    854,894.54x = 580,813,786,916.75
  5. Step 5: Solve for x
    x = 580,813,786,916.75/854,894.54
  6. Step 6: Final answer
    x = 679,398.17

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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.