Home / 758,733.04-1,047,072.84-419,223.28

Finding the Fourth Proportional to 758,733.04, 1,047,072.84 and 419,223.28

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Solution

The fourth proportional to 758,733.04, 1,047,072.84 and 419,223.28 is: 578,539.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,733.04 : 1,047,072.84 = 419,223.28 : x
  2. Step 2: Convert to fraction form
    758,733.04/1,047,072.84 = 419,223.28/x
  3. Step 3: Cross multiply
    758,733.04x = 1,047,072.84 × 419,223.28
  4. Step 4: Simplify right side
    758,733.04x = 438,957,310,383.72
  5. Step 5: Solve for x
    x = 438,957,310,383.72/758,733.04
  6. Step 6: Final answer
    x = 578,539.86

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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.