Home / 994,865.29-1,492,588.62-320,931.72

Finding the Fourth Proportional to 994,865.29, 1,492,588.62 and 320,931.72

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Solution

The fourth proportional to 994,865.29, 1,492,588.62 and 320,931.72 is: 481,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,865.29 : 1,492,588.62 = 320,931.72 : x
  2. Step 2: Convert to fraction form
    994,865.29/1,492,588.62 = 320,931.72/x
  3. Step 3: Cross multiply
    994,865.29x = 1,492,588.62 × 320,931.72
  4. Step 4: Simplify right side
    994,865.29x = 479,019,033,069.03
  5. Step 5: Solve for x
    x = 479,019,033,069.03/994,865.29
  6. Step 6: Final answer
    x = 481,491.35

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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.