Home / 754,460.85-1,040,973.73-478,718.17

Finding the Fourth Proportional to 754,460.85, 1,040,973.73 and 478,718.17

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Solution

The fourth proportional to 754,460.85, 1,040,973.73 and 478,718.17 is: 660,515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,460.85 : 1,040,973.73 = 478,718.17 : x
  2. Step 2: Convert to fraction form
    754,460.85/1,040,973.73 = 478,718.17/x
  3. Step 3: Cross multiply
    754,460.85x = 1,040,973.73 × 478,718.17
  4. Step 4: Simplify right side
    754,460.85x = 498,333,035,244.44
  5. Step 5: Solve for x
    x = 498,333,035,244.44/754,460.85
  6. Step 6: Final answer
    x = 660,515.43

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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.