Home / 855,603.69-1,284,667.17-477,263.62

Finding the Fourth Proportional to 855,603.69, 1,284,667.17 and 477,263.62

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Solution

The fourth proportional to 855,603.69, 1,284,667.17 and 477,263.62 is: 716,599.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,603.69 : 1,284,667.17 = 477,263.62 : x
  2. Step 2: Convert to fraction form
    855,603.69/1,284,667.17 = 477,263.62/x
  3. Step 3: Cross multiply
    855,603.69x = 1,284,667.17 × 477,263.62
  4. Step 4: Simplify right side
    855,603.69x = 613,124,904,049.36
  5. Step 5: Solve for x
    x = 613,124,904,049.36/855,603.69
  6. Step 6: Final answer
    x = 716,599.18

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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.