Home / 752,466.88-1,038,416.96-412,966.72

Finding the Fourth Proportional to 752,466.88, 1,038,416.96 and 412,966.72

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Solution

The fourth proportional to 752,466.88, 1,038,416.96 and 412,966.72 is: 569,901.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,466.88 : 1,038,416.96 = 412,966.72 : x
  2. Step 2: Convert to fraction form
    752,466.88/1,038,416.96 = 412,966.72/x
  3. Step 3: Cross multiply
    752,466.88x = 1,038,416.96 × 412,966.72
  4. Step 4: Simplify right side
    752,466.88x = 428,831,645,963.57
  5. Step 5: Solve for x
    x = 428,831,645,963.57/752,466.88
  6. Step 6: Final answer
    x = 569,901.02

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1.5x scale

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.