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Finding the Fourth Proportional to 850,608, 1,276,148.46 and 370,877.74

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Solution

The fourth proportional to 850,608, 1,276,148.46 and 370,877.74 is: 556,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,608 : 1,276,148.46 = 370,877.74 : x
  2. Step 2: Convert to fraction form
    850,608/1,276,148.46 = 370,877.74/x
  3. Step 3: Cross multiply
    850,608x = 1,276,148.46 × 370,877.74
  4. Step 4: Simplify right side
    850,608x = 473,295,054,949.70
  5. Step 5: Solve for x
    x = 473,295,054,949.70/850,608
  6. Step 6: Final answer
    x = 556,419.71

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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.