Home / 872,564.28-1,308,846.80-273,572.13

Finding the Fourth Proportional to 872,564.28, 1,308,846.80 and 273,572.13

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Solution

The fourth proportional to 872,564.28, 1,308,846.80 and 273,572.13 is: 410,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,564.28 : 1,308,846.80 = 273,572.13 : x
  2. Step 2: Convert to fraction form
    872,564.28/1,308,846.80 = 273,572.13/x
  3. Step 3: Cross multiply
    872,564.28x = 1,308,846.80 × 273,572.13
  4. Step 4: Simplify right side
    872,564.28x = 358,064,006,919.68
  5. Step 5: Solve for x
    x = 358,064,006,919.68/872,564.28
  6. Step 6: Final answer
    x = 410,358.31

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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.