Home / 872,415.69-1,308,623.99-273,423.51

Finding the Fourth Proportional to 872,415.69, 1,308,623.99 and 273,423.51

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Solution

The fourth proportional to 872,415.69, 1,308,623.99 and 273,423.51 is: 410,135.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,415.69 : 1,308,623.99 = 273,423.51 : x
  2. Step 2: Convert to fraction form
    872,415.69/1,308,623.99 = 273,423.51/x
  3. Step 3: Cross multiply
    872,415.69x = 1,308,623.99 × 273,423.51
  4. Step 4: Simplify right side
    872,415.69x = 357,808,563,248.89
  5. Step 5: Solve for x
    x = 357,808,563,248.89/872,415.69
  6. Step 6: Final answer
    x = 410,135.41

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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.