Home / 711,049.36-1,066,076.04-261,711.98

Finding the Fourth Proportional to 711,049.36, 1,066,076.04 and 261,711.98

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Solution

The fourth proportional to 711,049.36, 1,066,076.04 and 261,711.98 is: 392,384.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,049.36 : 1,066,076.04 = 261,711.98 : x
  2. Step 2: Convert to fraction form
    711,049.36/1,066,076.04 = 261,711.98/x
  3. Step 3: Cross multiply
    711,049.36x = 1,066,076.04 × 261,711.98
  4. Step 4: Simplify right side
    711,049.36x = 279,004,871,258.96
  5. Step 5: Solve for x
    x = 279,004,871,258.96/711,049.36
  6. Step 6: Final answer
    x = 392,384.67

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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.