Home / 752,314.02-1,038,190.14-412,774.98

Finding the Fourth Proportional to 752,314.02, 1,038,190.14 and 412,774.98

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Solution

The fourth proportional to 752,314.02, 1,038,190.14 and 412,774.98 is: 569,627.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,314.02 : 1,038,190.14 = 412,774.98 : x
  2. Step 2: Convert to fraction form
    752,314.02/1,038,190.14 = 412,774.98/x
  3. Step 3: Cross multiply
    752,314.02x = 1,038,190.14 × 412,774.98
  4. Step 4: Simplify right side
    752,314.02x = 428,538,914,274.70
  5. Step 5: Solve for x
    x = 428,538,914,274.70/752,314.02
  6. Step 6: Final answer
    x = 569,627.71

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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.