Home / 969,439.49-1,337,480.21-561,318.56

Finding the Fourth Proportional to 969,439.49, 1,337,480.21 and 561,318.56

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Solution

The fourth proportional to 969,439.49, 1,337,480.21 and 561,318.56 is: 774,419.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,439.49 : 1,337,480.21 = 561,318.56 : x
  2. Step 2: Convert to fraction form
    969,439.49/1,337,480.21 = 561,318.56/x
  3. Step 3: Cross multiply
    969,439.49x = 1,337,480.21 × 561,318.56
  4. Step 4: Simplify right side
    969,439.49x = 750,752,470,252.70
  5. Step 5: Solve for x
    x = 750,752,470,252.70/969,439.49
  6. Step 6: Final answer
    x = 774,419.11

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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.