Home / 780,303.26-1,170,454.86-219,337.76

Finding the Fourth Proportional to 780,303.26, 1,170,454.86 and 219,337.76

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Solution

The fourth proportional to 780,303.26, 1,170,454.86 and 219,337.76 is: 329,006.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,303.26 : 1,170,454.86 = 219,337.76 : x
  2. Step 2: Convert to fraction form
    780,303.26/1,170,454.86 = 219,337.76/x
  3. Step 3: Cross multiply
    780,303.26x = 1,170,454.86 × 219,337.76
  4. Step 4: Simplify right side
    780,303.26x = 256,724,950,099.65
  5. Step 5: Solve for x
    x = 256,724,950,099.65/780,303.26
  6. Step 6: Final answer
    x = 329,006.63

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Similar ratio
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1.5x scale

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.