Home / 878,035-1,211,688.66-475,627

Finding the Fourth Proportional to 878,035, 1,211,688.66 and 475,627

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Solution

The fourth proportional to 878,035, 1,211,688.66 and 475,627 is: 656,365.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,035 : 1,211,688.66 = 475,627 : x
  2. Step 2: Convert to fraction form
    878,035/1,211,688.66 = 475,627/x
  3. Step 3: Cross multiply
    878,035x = 1,211,688.66 × 475,627
  4. Step 4: Simplify right side
    878,035x = 576,311,842,289.82
  5. Step 5: Solve for x
    x = 576,311,842,289.82/878,035
  6. Step 6: Final answer
    x = 656,365.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.