Home / 872,423.83-1,308,636.05-273,431.47

Finding the Fourth Proportional to 872,423.83, 1,308,636.05 and 273,431.47

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Solution

The fourth proportional to 872,423.83, 1,308,636.05 and 273,431.47 is: 410,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,423.83 : 1,308,636.05 = 273,431.47 : x
  2. Step 2: Convert to fraction form
    872,423.83/1,308,636.05 = 273,431.47/x
  3. Step 3: Cross multiply
    872,423.83x = 1,308,636.05 × 273,431.47
  4. Step 4: Simplify right side
    872,423.83x = 357,822,278,846.49
  5. Step 5: Solve for x
    x = 357,822,278,846.49/872,423.83
  6. Step 6: Final answer
    x = 410,147.30

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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.