Home / 900,619.75-1,351,093.35-427,300.71

Finding the Fourth Proportional to 900,619.75, 1,351,093.35 and 427,300.71

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Solution

The fourth proportional to 900,619.75, 1,351,093.35 and 427,300.71 is: 641,028.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,619.75 : 1,351,093.35 = 427,300.71 : x
  2. Step 2: Convert to fraction form
    900,619.75/1,351,093.35 = 427,300.71/x
  3. Step 3: Cross multiply
    900,619.75x = 1,351,093.35 × 427,300.71
  4. Step 4: Simplify right side
    900,619.75x = 577,323,144,353.55
  5. Step 5: Solve for x
    x = 577,323,144,353.55/900,619.75
  6. Step 6: Final answer
    x = 641,028.74

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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.