Home / 841,475.76-1,262,213.64-210,389.58

Finding the Fourth Proportional to 841,475.76, 1,262,213.64 and 210,389.58

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Solution

The fourth proportional to 841,475.76, 1,262,213.64 and 210,389.58 is: 315,584.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,475.76 : 1,262,213.64 = 210,389.58 : x
  2. Step 2: Convert to fraction form
    841,475.76/1,262,213.64 = 210,389.58/x
  3. Step 3: Cross multiply
    841,475.76x = 1,262,213.64 × 210,389.58
  4. Step 4: Simplify right side
    841,475.76x = 265,556,597,589.87
  5. Step 5: Solve for x
    x = 265,556,597,589.87/841,475.76
  6. Step 6: Final answer
    x = 315,584.37

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Similar ratio
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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.