Home / 709,460.64-1,064,161.13-330,251.04

Finding the Fourth Proportional to 709,460.64, 1,064,161.13 and 330,251.04

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Solution

The fourth proportional to 709,460.64, 1,064,161.13 and 330,251.04 is: 495,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,460.64 : 1,064,161.13 = 330,251.04 : x
  2. Step 2: Convert to fraction form
    709,460.64/1,064,161.13 = 330,251.04/x
  3. Step 3: Cross multiply
    709,460.64x = 1,064,161.13 × 330,251.04
  4. Step 4: Simplify right side
    709,460.64x = 351,440,318,258.82
  5. Step 5: Solve for x
    x = 351,440,318,258.82/709,460.64
  6. Step 6: Final answer
    x = 495,362.67

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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.