Home / 839,648.68-1,158,716.94-549,459.29

Finding the Fourth Proportional to 839,648.68, 1,158,716.94 and 549,459.29

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Solution

The fourth proportional to 839,648.68, 1,158,716.94 and 549,459.29 is: 758,254.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,648.68 : 1,158,716.94 = 549,459.29 : x
  2. Step 2: Convert to fraction form
    839,648.68/1,158,716.94 = 549,459.29/x
  3. Step 3: Cross multiply
    839,648.68x = 1,158,716.94 × 549,459.29
  4. Step 4: Simplify right side
    839,648.68x = 636,667,787,163.37
  5. Step 5: Solve for x
    x = 636,667,787,163.37/839,648.68
  6. Step 6: Final answer
    x = 758,254.97

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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.