Home / 984,453.46-1,476,727.12-478,411.56

Finding the Fourth Proportional to 984,453.46, 1,476,727.12 and 478,411.56

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Solution

The fourth proportional to 984,453.46, 1,476,727.12 and 478,411.56 is: 717,640.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,453.46 : 1,476,727.12 = 478,411.56 : x
  2. Step 2: Convert to fraction form
    984,453.46/1,476,727.12 = 478,411.56/x
  3. Step 3: Cross multiply
    984,453.46x = 1,476,727.12 × 478,411.56
  4. Step 4: Simplify right side
    984,453.46x = 706,483,317,789.87
  5. Step 5: Solve for x
    x = 706,483,317,789.87/984,453.46
  6. Step 6: Final answer
    x = 717,640.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.