Home / 767,371.20-1,149,501.60-434,558.40

Finding the Fourth Proportional to 767,371.20, 1,149,501.60 and 434,558.40

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Solution

The fourth proportional to 767,371.20, 1,149,501.60 and 434,558.40 is: 650,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,371.20 : 1,149,501.60 = 434,558.40 : x
  2. Step 2: Convert to fraction form
    767,371.20/1,149,501.60 = 434,558.40/x
  3. Step 3: Cross multiply
    767,371.20x = 1,149,501.60 × 434,558.40
  4. Step 4: Simplify right side
    767,371.20x = 499,525,576,093.44
  5. Step 5: Solve for x
    x = 499,525,576,093.44/767,371.20
  6. Step 6: Final answer
    x = 650,956.90

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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.