Home / 752,640.87-1,038,644-425,947.95

Finding the Fourth Proportional to 752,640.87, 1,038,644 and 425,947.95

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Solution

The fourth proportional to 752,640.87, 1,038,644 and 425,947.95 is: 587,807.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,640.87 : 1,038,644 = 425,947.95 : x
  2. Step 2: Convert to fraction form
    752,640.87/1,038,644 = 425,947.95/x
  3. Step 3: Cross multiply
    752,640.87x = 1,038,644 × 425,947.95
  4. Step 4: Simplify right side
    752,640.87x = 442,408,282,579.80
  5. Step 5: Solve for x
    x = 442,408,282,579.80/752,640.87
  6. Step 6: Final answer
    x = 587,807.94

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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.