Home / 804,961.20-1,208,219.40-490,033.20

Finding the Fourth Proportional to 804,961.20, 1,208,219.40 and 490,033.20

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Solution

The fourth proportional to 804,961.20, 1,208,219.40 and 490,033.20 is: 735,523.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,961.20 : 1,208,219.40 = 490,033.20 : x
  2. Step 2: Convert to fraction form
    804,961.20/1,208,219.40 = 490,033.20/x
  3. Step 3: Cross multiply
    804,961.20x = 1,208,219.40 × 490,033.20
  4. Step 4: Simplify right side
    804,961.20x = 592,067,618,884.08
  5. Step 5: Solve for x
    x = 592,067,618,884.08/804,961.20
  6. Step 6: Final answer
    x = 735,523.18

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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.