Home / 756,886.28-1,135,360.42-352,455.32

Finding the Fourth Proportional to 756,886.28, 1,135,360.42 and 352,455.32

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Solution

The fourth proportional to 756,886.28, 1,135,360.42 and 352,455.32 is: 528,697.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,886.28 : 1,135,360.42 = 352,455.32 : x
  2. Step 2: Convert to fraction form
    756,886.28/1,135,360.42 = 352,455.32/x
  3. Step 3: Cross multiply
    756,886.28x = 1,135,360.42 × 352,455.32
  4. Step 4: Simplify right side
    756,886.28x = 400,163,820,146.43
  5. Step 5: Solve for x
    x = 400,163,820,146.43/756,886.28
  6. Step 6: Final answer
    x = 528,697.42

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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.