Home / 855,574.49-1,284,623.36-477,234.43

Finding the Fourth Proportional to 855,574.49, 1,284,623.36 and 477,234.43

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Solution

The fourth proportional to 855,574.49, 1,284,623.36 and 477,234.43 is: 716,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,574.49 : 1,284,623.36 = 477,234.43 : x
  2. Step 2: Convert to fraction form
    855,574.49/1,284,623.36 = 477,234.43/x
  3. Step 3: Cross multiply
    855,574.49x = 1,284,623.36 × 477,234.43
  4. Step 4: Simplify right side
    855,574.49x = 613,066,488,165.00
  5. Step 5: Solve for x
    x = 613,066,488,165.00/855,574.49
  6. Step 6: Final answer
    x = 716,555.36

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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.