Home / 752,284.40-1,038,153.72-412,755.08

Finding the Fourth Proportional to 752,284.40, 1,038,153.72 and 412,755.08

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Solution

The fourth proportional to 752,284.40, 1,038,153.72 and 412,755.08 is: 569,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,284.40 : 1,038,153.72 = 412,755.08 : x
  2. Step 2: Convert to fraction form
    752,284.40/1,038,153.72 = 412,755.08/x
  3. Step 3: Cross multiply
    752,284.40x = 1,038,153.72 × 412,755.08
  4. Step 4: Simplify right side
    752,284.40x = 428,503,221,750.90
  5. Step 5: Solve for x
    x = 428,503,221,750.90/752,284.40
  6. Step 6: Final answer
    x = 569,602.70

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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.