Home / 872,953.28-1,309,485.26-273,938.07

Finding the Fourth Proportional to 872,953.28, 1,309,485.26 and 273,938.07

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Solution

The fourth proportional to 872,953.28, 1,309,485.26 and 273,938.07 is: 410,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,953.28 : 1,309,485.26 = 273,938.07 : x
  2. Step 2: Convert to fraction form
    872,953.28/1,309,485.26 = 273,938.07/x
  3. Step 3: Cross multiply
    872,953.28x = 1,309,485.26 × 273,938.07
  4. Step 4: Simplify right side
    872,953.28x = 358,717,863,448.16
  5. Step 5: Solve for x
    x = 358,717,863,448.16/872,953.28
  6. Step 6: Final answer
    x = 410,924.47

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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.