Home / 689,196.96-950,952.44-402,661.72

Finding the Fourth Proportional to 689,196.96, 950,952.44 and 402,661.72

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Solution

The fourth proportional to 689,196.96, 950,952.44 and 402,661.72 is: 555,591.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,196.96 : 950,952.44 = 402,661.72 : x
  2. Step 2: Convert to fraction form
    689,196.96/950,952.44 = 402,661.72/x
  3. Step 3: Cross multiply
    689,196.96x = 950,952.44 × 402,661.72
  4. Step 4: Simplify right side
    689,196.96x = 382,912,145,128.60
  5. Step 5: Solve for x
    x = 382,912,145,128.60/689,196.96
  6. Step 6: Final answer
    x = 555,591.75

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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.