Home / 855,582.06-1,284,634.70-477,242

Finding the Fourth Proportional to 855,582.06, 1,284,634.70 and 477,242

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Solution

The fourth proportional to 855,582.06, 1,284,634.70 and 477,242 is: 716,566.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,582.06 : 1,284,634.70 = 477,242 : x
  2. Step 2: Convert to fraction form
    855,582.06/1,284,634.70 = 477,242/x
  3. Step 3: Cross multiply
    855,582.06x = 1,284,634.70 × 477,242
  4. Step 4: Simplify right side
    855,582.06x = 613,081,633,497.40
  5. Step 5: Solve for x
    x = 613,081,633,497.40/855,582.06
  6. Step 6: Final answer
    x = 716,566.72

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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.