Home / 802,101.40-1,202,763.30-446,738.20

Finding the Fourth Proportional to 802,101.40, 1,202,763.30 and 446,738.20

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Solution

The fourth proportional to 802,101.40, 1,202,763.30 and 446,738.20 is: 669,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,101.40 : 1,202,763.30 = 446,738.20 : x
  2. Step 2: Convert to fraction form
    802,101.40/1,202,763.30 = 446,738.20/x
  3. Step 3: Cross multiply
    802,101.40x = 1,202,763.30 × 446,738.20
  4. Step 4: Simplify right side
    802,101.40x = 537,320,311,668.06
  5. Step 5: Solve for x
    x = 537,320,311,668.06/802,101.40
  6. Step 6: Final answer
    x = 669,890.75

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1.5x scale

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.