Home / 756,419.64-1,043,832.60-412,248.48

Finding the Fourth Proportional to 756,419.64, 1,043,832.60 and 412,248.48

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Solution

The fourth proportional to 756,419.64, 1,043,832.60 and 412,248.48 is: 568,888.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,419.64 : 1,043,832.60 = 412,248.48 : x
  2. Step 2: Convert to fraction form
    756,419.64/1,043,832.60 = 412,248.48/x
  3. Step 3: Cross multiply
    756,419.64x = 1,043,832.60 × 412,248.48
  4. Step 4: Simplify right side
    756,419.64x = 430,318,402,724.45
  5. Step 5: Solve for x
    x = 430,318,402,724.45/756,419.64
  6. Step 6: Final answer
    x = 568,888.46

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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.