Home / 752,422.98-1,038,373.65-412,903.38

Finding the Fourth Proportional to 752,422.98, 1,038,373.65 and 412,903.38

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Solution

The fourth proportional to 752,422.98, 1,038,373.65 and 412,903.38 is: 569,823.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,422.98 : 1,038,373.65 = 412,903.38 : x
  2. Step 2: Convert to fraction form
    752,422.98/1,038,373.65 = 412,903.38/x
  3. Step 3: Cross multiply
    752,422.98x = 1,038,373.65 × 412,903.38
  4. Step 4: Simplify right side
    752,422.98x = 428,747,989,787.94
  5. Step 5: Solve for x
    x = 428,747,989,787.94/752,422.98
  6. Step 6: Final answer
    x = 569,823.09

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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.