Home / 780,299.16-1,170,448.75-219,333.66

Finding the Fourth Proportional to 780,299.16, 1,170,448.75 and 219,333.66

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Solution

The fourth proportional to 780,299.16, 1,170,448.75 and 219,333.66 is: 329,000.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,299.16 : 1,170,448.75 = 219,333.66 : x
  2. Step 2: Convert to fraction form
    780,299.16/1,170,448.75 = 219,333.66/x
  3. Step 3: Cross multiply
    780,299.16x = 1,170,448.75 × 219,333.66
  4. Step 4: Simplify right side
    780,299.16x = 256,718,804,064.91
  5. Step 5: Solve for x
    x = 256,718,804,064.91/780,299.16
  6. Step 6: Final answer
    x = 329,000.49

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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.