Home / 486,628.44-671,540.67-282,794.64

Finding the Fourth Proportional to 486,628.44, 671,540.67 and 282,794.64

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Solution

The fourth proportional to 486,628.44, 671,540.67 and 282,794.64 is: 390,252.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,628.44 : 671,540.67 = 282,794.64 : x
  2. Step 2: Convert to fraction form
    486,628.44/671,540.67 = 282,794.64/x
  3. Step 3: Cross multiply
    486,628.44x = 671,540.67 × 282,794.64
  4. Step 4: Simplify right side
    486,628.44x = 189,908,102,018.01
  5. Step 5: Solve for x
    x = 189,908,102,018.01/486,628.44
  6. Step 6: Final answer
    x = 390,252.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.