Home / 890,747.36-1,336,342.48-259,666.72

Finding the Fourth Proportional to 890,747.36, 1,336,342.48 and 259,666.72

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Solution

The fourth proportional to 890,747.36, 1,336,342.48 and 259,666.72 is: 389,564.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,747.36 : 1,336,342.48 = 259,666.72 : x
  2. Step 2: Convert to fraction form
    890,747.36/1,336,342.48 = 259,666.72/x
  3. Step 3: Cross multiply
    890,747.36x = 1,336,342.48 × 259,666.72
  4. Step 4: Simplify right side
    890,747.36x = 347,003,668,578.27
  5. Step 5: Solve for x
    x = 347,003,668,578.27/890,747.36
  6. Step 6: Final answer
    x = 389,564.63

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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.