Home / 872,415.41-1,308,623.57-273,423.21

Finding the Fourth Proportional to 872,415.41, 1,308,623.57 and 273,423.21

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Solution

The fourth proportional to 872,415.41, 1,308,623.57 and 273,423.21 is: 410,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,415.41 : 1,308,623.57 = 273,423.21 : x
  2. Step 2: Convert to fraction form
    872,415.41/1,308,623.57 = 273,423.21/x
  3. Step 3: Cross multiply
    872,415.41x = 1,308,623.57 × 273,423.21
  4. Step 4: Simplify right side
    872,415.41x = 357,808,055,823.94
  5. Step 5: Solve for x
    x = 357,808,055,823.94/872,415.41
  6. Step 6: Final answer
    x = 410,134.96

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1.5x scale

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.