Home / 807,853.60-1,211,780.40-246,887.20

Finding the Fourth Proportional to 807,853.60, 1,211,780.40 and 246,887.20

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Solution

The fourth proportional to 807,853.60, 1,211,780.40 and 246,887.20 is: 370,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,853.60 : 1,211,780.40 = 246,887.20 : x
  2. Step 2: Convert to fraction form
    807,853.60/1,211,780.40 = 246,887.20/x
  3. Step 3: Cross multiply
    807,853.60x = 1,211,780.40 × 246,887.20
  4. Step 4: Simplify right side
    807,853.60x = 299,173,069,970.88
  5. Step 5: Solve for x
    x = 299,173,069,970.88/807,853.60
  6. Step 6: Final answer
    x = 370,330.80

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Similar ratio
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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.