Home / 802,103.40-1,202,766.30-446,740.20

Finding the Fourth Proportional to 802,103.40, 1,202,766.30 and 446,740.20

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Solution

The fourth proportional to 802,103.40, 1,202,766.30 and 446,740.20 is: 669,893.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,103.40 : 1,202,766.30 = 446,740.20 : x
  2. Step 2: Convert to fraction form
    802,103.40/1,202,766.30 = 446,740.20/x
  3. Step 3: Cross multiply
    802,103.40x = 1,202,766.30 × 446,740.20
  4. Step 4: Simplify right side
    802,103.40x = 537,324,057,415.26
  5. Step 5: Solve for x
    x = 537,324,057,415.26/802,103.40
  6. Step 6: Final answer
    x = 669,893.75

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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.