Home / 743,043-1,025,390.26-403,513.64

Finding the Fourth Proportional to 743,043, 1,025,390.26 and 403,513.64

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Solution

The fourth proportional to 743,043, 1,025,390.26 and 403,513.64 is: 556,843.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,043 : 1,025,390.26 = 403,513.64 : x
  2. Step 2: Convert to fraction form
    743,043/1,025,390.26 = 403,513.64/x
  3. Step 3: Cross multiply
    743,043x = 1,025,390.26 × 403,513.64
  4. Step 4: Simplify right side
    743,043x = 413,758,956,233.15
  5. Step 5: Solve for x
    x = 413,758,956,233.15/743,043
  6. Step 6: Final answer
    x = 556,843.89

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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.