Home / 717,129.41-1,075,443.39-211,556.16

Finding the Fourth Proportional to 717,129.41, 1,075,443.39 and 211,556.16

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Solution

The fourth proportional to 717,129.41, 1,075,443.39 and 211,556.16 is: 317,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,129.41 : 1,075,443.39 = 211,556.16 : x
  2. Step 2: Convert to fraction form
    717,129.41/1,075,443.39 = 211,556.16/x
  3. Step 3: Cross multiply
    717,129.41x = 1,075,443.39 × 211,556.16
  4. Step 4: Simplify right side
    717,129.41x = 227,516,673,885.78
  5. Step 5: Solve for x
    x = 227,516,673,885.78/717,129.41
  6. Step 6: Final answer
    x = 317,260.28

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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.