Home / 939,085.20-1,408,714.20-378,003.60

Finding the Fourth Proportional to 939,085.20, 1,408,714.20 and 378,003.60

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Solution

The fourth proportional to 939,085.20, 1,408,714.20 and 378,003.60 is: 567,040.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,085.20 : 1,408,714.20 = 378,003.60 : x
  2. Step 2: Convert to fraction form
    939,085.20/1,408,714.20 = 378,003.60/x
  3. Step 3: Cross multiply
    939,085.20x = 1,408,714.20 × 378,003.60
  4. Step 4: Simplify right side
    939,085.20x = 532,499,038,971.12
  5. Step 5: Solve for x
    x = 532,499,038,971.12/939,085.20
  6. Step 6: Final answer
    x = 567,040.18

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Similar ratio
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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.