Home / 693,939.74-957,267.45-422,090.78

Finding the Fourth Proportional to 693,939.74, 957,267.45 and 422,090.78

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Solution

The fourth proportional to 693,939.74, 957,267.45 and 422,090.78 is: 582,260.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,939.74 : 957,267.45 = 422,090.78 : x
  2. Step 2: Convert to fraction form
    693,939.74/957,267.45 = 422,090.78/x
  3. Step 3: Cross multiply
    693,939.74x = 957,267.45 × 422,090.78
  4. Step 4: Simplify right side
    693,939.74x = 404,053,759,852.77
  5. Step 5: Solve for x
    x = 404,053,759,852.77/693,939.74
  6. Step 6: Final answer
    x = 582,260.59

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1.5x scale

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.