Home / 855,604.69-1,284,668.67-477,264.62

Finding the Fourth Proportional to 855,604.69, 1,284,668.67 and 477,264.62

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Solution

The fourth proportional to 855,604.69, 1,284,668.67 and 477,264.62 is: 716,600.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,604.69 : 1,284,668.67 = 477,264.62 : x
  2. Step 2: Convert to fraction form
    855,604.69/1,284,668.67 = 477,264.62/x
  3. Step 3: Cross multiply
    855,604.69x = 1,284,668.67 × 477,264.62
  4. Step 4: Simplify right side
    855,604.69x = 613,126,904,613.46
  5. Step 5: Solve for x
    x = 613,126,904,613.46/855,604.69
  6. Step 6: Final answer
    x = 716,600.68

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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.