Home / 872,342.18-1,308,511.64-273,349.26

Finding the Fourth Proportional to 872,342.18, 1,308,511.64 and 273,349.26

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Solution

The fourth proportional to 872,342.18, 1,308,511.64 and 273,349.26 is: 410,023.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,342.18 : 1,308,511.64 = 273,349.26 : x
  2. Step 2: Convert to fraction form
    872,342.18/1,308,511.64 = 273,349.26/x
  3. Step 3: Cross multiply
    872,342.18x = 1,308,511.64 × 273,349.26
  4. Step 4: Simplify right side
    872,342.18x = 357,680,688,495.39
  5. Step 5: Solve for x
    x = 357,680,688,495.39/872,342.18
  6. Step 6: Final answer
    x = 410,023.38

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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.