Home / 752,869.12-1,038,503.28-446,744.20

Finding the Fourth Proportional to 752,869.12, 1,038,503.28 and 446,744.20

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Solution

The fourth proportional to 752,869.12, 1,038,503.28 and 446,744.20 is: 616,236.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,869.12 : 1,038,503.28 = 446,744.20 : x
  2. Step 2: Convert to fraction form
    752,869.12/1,038,503.28 = 446,744.20/x
  3. Step 3: Cross multiply
    752,869.12x = 1,038,503.28 × 446,744.20
  4. Step 4: Simplify right side
    752,869.12x = 463,945,317,020.98
  5. Step 5: Solve for x
    x = 463,945,317,020.98/752,869.12
  6. Step 6: Final answer
    x = 616,236.35

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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.