Home / 994,065.30-1,491,346.35-320,210.10

Finding the Fourth Proportional to 994,065.30, 1,491,346.35 and 320,210.10

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Solution

The fourth proportional to 994,065.30, 1,491,346.35 and 320,210.10 is: 480,395.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,065.30 : 1,491,346.35 = 320,210.10 : x
  2. Step 2: Convert to fraction form
    994,065.30/1,491,346.35 = 320,210.10/x
  3. Step 3: Cross multiply
    994,065.30x = 1,491,346.35 × 320,210.10
  4. Step 4: Simplify right side
    994,065.30x = 477,544,163,868.14
  5. Step 5: Solve for x
    x = 477,544,163,868.14/994,065.30
  6. Step 6: Final answer
    x = 480,395.17

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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.