Home / 743,039.76-1,025,367.48-403,500.72

Finding the Fourth Proportional to 743,039.76, 1,025,367.48 and 403,500.72

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Solution

The fourth proportional to 743,039.76, 1,025,367.48 and 403,500.72 is: 556,816.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,039.76 : 1,025,367.48 = 403,500.72 : x
  2. Step 2: Convert to fraction form
    743,039.76/1,025,367.48 = 403,500.72/x
  3. Step 3: Cross multiply
    743,039.76x = 1,025,367.48 × 403,500.72
  4. Step 4: Simplify right side
    743,039.76x = 413,736,516,444.59
  5. Step 5: Solve for x
    x = 413,736,516,444.59/743,039.76
  6. Step 6: Final answer
    x = 556,816.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.