Home / 709,475.27-1,064,183.13-330,265.67

Finding the Fourth Proportional to 709,475.27, 1,064,183.13 and 330,265.67

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Solution

The fourth proportional to 709,475.27, 1,064,183.13 and 330,265.67 is: 495,384.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,475.27 : 1,064,183.13 = 330,265.67 : x
  2. Step 2: Convert to fraction form
    709,475.27/1,064,183.13 = 330,265.67/x
  3. Step 3: Cross multiply
    709,475.27x = 1,064,183.13 × 330,265.67
  4. Step 4: Simplify right side
    709,475.27x = 351,463,149,111.23
  5. Step 5: Solve for x
    x = 351,463,149,111.23/709,475.27
  6. Step 6: Final answer
    x = 495,384.64

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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.