Home / 873,274.16-1,309,966.83-274,258.96

Finding the Fourth Proportional to 873,274.16, 1,309,966.83 and 274,258.96

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Solution

The fourth proportional to 873,274.16, 1,309,966.83 and 274,258.96 is: 411,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,274.16 : 1,309,966.83 = 274,258.96 : x
  2. Step 2: Convert to fraction form
    873,274.16/1,309,966.83 = 274,258.96/x
  3. Step 3: Cross multiply
    873,274.16x = 1,309,966.83 × 274,258.96
  4. Step 4: Simplify right side
    873,274.16x = 359,270,144,523.94
  5. Step 5: Solve for x
    x = 359,270,144,523.94/873,274.16
  6. Step 6: Final answer
    x = 411,405.90

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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.