Home / 785,317.38-1,083,707.82-479,904.66

Finding the Fourth Proportional to 785,317.38, 1,083,707.82 and 479,904.66

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Solution

The fourth proportional to 785,317.38, 1,083,707.82 and 479,904.66 is: 662,250.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,317.38 : 1,083,707.82 = 479,904.66 : x
  2. Step 2: Convert to fraction form
    785,317.38/1,083,707.82 = 479,904.66/x
  3. Step 3: Cross multiply
    785,317.38x = 1,083,707.82 × 479,904.66
  4. Step 4: Simplify right side
    785,317.38x = 520,076,432,896.44
  5. Step 5: Solve for x
    x = 520,076,432,896.44/785,317.38
  6. Step 6: Final answer
    x = 662,250.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.