Home / 735,926.40-1,104,083.84-398,817.28

Finding the Fourth Proportional to 735,926.40, 1,104,083.84 and 398,817.28

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Solution

The fourth proportional to 735,926.40, 1,104,083.84 and 398,817.28 is: 598,331.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,926.40 : 1,104,083.84 = 398,817.28 : x
  2. Step 2: Convert to fraction form
    735,926.40/1,104,083.84 = 398,817.28/x
  3. Step 3: Cross multiply
    735,926.40x = 1,104,083.84 × 398,817.28
  4. Step 4: Simplify right side
    735,926.40x = 440,327,713,960.76
  5. Step 5: Solve for x
    x = 440,327,713,960.76/735,926.40
  6. Step 6: Final answer
    x = 598,331.18

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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.