Home / 780,216.52-1,170,346.67-381,176.50

Finding the Fourth Proportional to 780,216.52, 1,170,346.67 and 381,176.50

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Solution

The fourth proportional to 780,216.52, 1,170,346.67 and 381,176.50 is: 571,775.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,216.52 : 1,170,346.67 = 381,176.50 : x
  2. Step 2: Convert to fraction form
    780,216.52/1,170,346.67 = 381,176.50/x
  3. Step 3: Cross multiply
    780,216.52x = 1,170,346.67 × 381,176.50
  4. Step 4: Simplify right side
    780,216.52x = 446,108,647,457.26
  5. Step 5: Solve for x
    x = 446,108,647,457.26/780,216.52
  6. Step 6: Final answer
    x = 571,775.44

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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.