Home / 758,674.58-1,138,650.35-379,481.58

Finding the Fourth Proportional to 758,674.58, 1,138,650.35 and 379,481.58

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Solution

The fourth proportional to 758,674.58, 1,138,650.35 and 379,481.58 is: 569,541.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,674.58 : 1,138,650.35 = 379,481.58 : x
  2. Step 2: Convert to fraction form
    758,674.58/1,138,650.35 = 379,481.58/x
  3. Step 3: Cross multiply
    758,674.58x = 1,138,650.35 × 379,481.58
  4. Step 4: Simplify right side
    758,674.58x = 432,096,831,988.15
  5. Step 5: Solve for x
    x = 432,096,831,988.15/758,674.58
  6. Step 6: Final answer
    x = 569,541.73

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Double scale
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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.