Home / 752,167.64-1,038,018.36-412,645.88

Finding the Fourth Proportional to 752,167.64, 1,038,018.36 and 412,645.88

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Solution

The fourth proportional to 752,167.64, 1,038,018.36 and 412,645.88 is: 569,466.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,167.64 : 1,038,018.36 = 412,645.88 : x
  2. Step 2: Convert to fraction form
    752,167.64/1,038,018.36 = 412,645.88/x
  3. Step 3: Cross multiply
    752,167.64x = 1,038,018.36 × 412,645.88
  4. Step 4: Simplify right side
    752,167.64x = 428,333,999,618.36
  5. Step 5: Solve for x
    x = 428,333,999,618.36/752,167.64
  6. Step 6: Final answer
    x = 569,466.14

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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.