Home / 855,585.07-1,284,639.21-477,245.01

Finding the Fourth Proportional to 855,585.07, 1,284,639.21 and 477,245.01

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Solution

The fourth proportional to 855,585.07, 1,284,639.21 and 477,245.01 is: 716,571.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,585.07 : 1,284,639.21 = 477,245.01 : x
  2. Step 2: Convert to fraction form
    855,585.07/1,284,639.21 = 477,245.01/x
  3. Step 3: Cross multiply
    855,585.07x = 1,284,639.21 × 477,245.01
  4. Step 4: Simplify right side
    855,585.07x = 613,087,652,622.84
  5. Step 5: Solve for x
    x = 613,087,652,622.84/855,585.07
  6. Step 6: Final answer
    x = 716,571.24

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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.