Home / 969,828.39-1,455,408.41-338,742.81

Finding the Fourth Proportional to 969,828.39, 1,455,408.41 and 338,742.81

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Solution

The fourth proportional to 969,828.39, 1,455,408.41 and 338,742.81 is: 508,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,828.39 : 1,455,408.41 = 338,742.81 : x
  2. Step 2: Convert to fraction form
    969,828.39/1,455,408.41 = 338,742.81/x
  3. Step 3: Cross multiply
    969,828.39x = 1,455,408.41 × 338,742.81
  4. Step 4: Simplify right side
    969,828.39x = 493,009,132,807.32
  5. Step 5: Solve for x
    x = 493,009,132,807.32/969,828.39
  6. Step 6: Final answer
    x = 508,346.77

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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.