Home / 1,005,450.78-1,508,176.47-295,478.88

Finding the Fourth Proportional to 1,005,450.78, 1,508,176.47 and 295,478.88

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Solution

The fourth proportional to 1,005,450.78, 1,508,176.47 and 295,478.88 is: 443,218.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,450.78 : 1,508,176.47 = 295,478.88 : x
  2. Step 2: Convert to fraction form
    1,005,450.78/1,508,176.47 = 295,478.88/x
  3. Step 3: Cross multiply
    1,005,450.78x = 1,508,176.47 × 295,478.88
  4. Step 4: Simplify right side
    1,005,450.78x = 445,634,294,197.95
  5. Step 5: Solve for x
    x = 445,634,294,197.95/1,005,450.78
  6. Step 6: Final answer
    x = 443,218.41

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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.