Home / 804,853.60-1,206,512.40-299,279.20

Finding the Fourth Proportional to 804,853.60, 1,206,512.40 and 299,279.20

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Solution

The fourth proportional to 804,853.60, 1,206,512.40 and 299,279.20 is: 448,633.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,853.60 : 1,206,512.40 = 299,279.20 : x
  2. Step 2: Convert to fraction form
    804,853.60/1,206,512.40 = 299,279.20/x
  3. Step 3: Cross multiply
    804,853.60x = 1,206,512.40 × 299,279.20
  4. Step 4: Simplify right side
    804,853.60x = 361,084,065,862.08
  5. Step 5: Solve for x
    x = 361,084,065,862.08/804,853.60
  6. Step 6: Final answer
    x = 448,633.22

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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.