Home / 785,440.50-1,083,907.89-427,744.50

Finding the Fourth Proportional to 785,440.50, 1,083,907.89 and 427,744.50

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Solution

The fourth proportional to 785,440.50, 1,083,907.89 and 427,744.50 is: 590,287.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,440.50 : 1,083,907.89 = 427,744.50 : x
  2. Step 2: Convert to fraction form
    785,440.50/1,083,907.89 = 427,744.50/x
  3. Step 3: Cross multiply
    785,440.50x = 1,083,907.89 × 427,744.50
  4. Step 4: Simplify right side
    785,440.50x = 463,635,638,454.11
  5. Step 5: Solve for x
    x = 463,635,638,454.11/785,440.50
  6. Step 6: Final answer
    x = 590,287.41

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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.