Home / 743,263.29-1,025,704.35-403,731.54

Finding the Fourth Proportional to 743,263.29, 1,025,704.35 and 403,731.54

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Solution

The fourth proportional to 743,263.29, 1,025,704.35 and 403,731.54 is: 557,150.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,263.29 : 1,025,704.35 = 403,731.54 : x
  2. Step 2: Convert to fraction form
    743,263.29/1,025,704.35 = 403,731.54/x
  3. Step 3: Cross multiply
    743,263.29x = 1,025,704.35 × 403,731.54
  4. Step 4: Simplify right side
    743,263.29x = 414,109,196,810.20
  5. Step 5: Solve for x
    x = 414,109,196,810.20/743,263.29
  6. Step 6: Final answer
    x = 557,150.07

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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.