Home / 752,419.98-1,038,369.51-412,900.38

Finding the Fourth Proportional to 752,419.98, 1,038,369.51 and 412,900.38

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Solution

The fourth proportional to 752,419.98, 1,038,369.51 and 412,900.38 is: 569,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,419.98 : 1,038,369.51 = 412,900.38 : x
  2. Step 2: Convert to fraction form
    752,419.98/1,038,369.51 = 412,900.38/x
  3. Step 3: Cross multiply
    752,419.98x = 1,038,369.51 × 412,900.38
  4. Step 4: Simplify right side
    752,419.98x = 428,743,165,259.41
  5. Step 5: Solve for x
    x = 428,743,165,259.41/752,419.98
  6. Step 6: Final answer
    x = 569,818.95

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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.