Home / 872,340.18-1,308,508.64-273,347.26

Finding the Fourth Proportional to 872,340.18, 1,308,508.64 and 273,347.26

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Solution

The fourth proportional to 872,340.18, 1,308,508.64 and 273,347.26 is: 410,020.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,340.18 : 1,308,508.64 = 273,347.26 : x
  2. Step 2: Convert to fraction form
    872,340.18/1,308,508.64 = 273,347.26/x
  3. Step 3: Cross multiply
    872,340.18x = 1,308,508.64 × 273,347.26
  4. Step 4: Simplify right side
    872,340.18x = 357,677,251,430.33
  5. Step 5: Solve for x
    x = 357,677,251,430.33/872,340.18
  6. Step 6: Final answer
    x = 410,020.38

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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.