Home / 872,315.11-1,308,472.26-273,323.35

Finding the Fourth Proportional to 872,315.11, 1,308,472.26 and 273,323.35

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Solution

The fourth proportional to 872,315.11, 1,308,472.26 and 273,323.35 is: 409,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,315.11 : 1,308,472.26 = 273,323.35 : x
  2. Step 2: Convert to fraction form
    872,315.11/1,308,472.26 = 273,323.35/x
  3. Step 3: Cross multiply
    872,315.11x = 1,308,472.26 × 273,323.35
  4. Step 4: Simplify right side
    872,315.11x = 357,636,021,485.27
  5. Step 5: Solve for x
    x = 357,636,021,485.27/872,315.11
  6. Step 6: Final answer
    x = 409,984.90

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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.