Home / 915,004.71-1,372,679.78-346,556.03

Finding the Fourth Proportional to 915,004.71, 1,372,679.78 and 346,556.03

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Solution

The fourth proportional to 915,004.71, 1,372,679.78 and 346,556.03 is: 519,899.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,004.71 : 1,372,679.78 = 346,556.03 : x
  2. Step 2: Convert to fraction form
    915,004.71/1,372,679.78 = 346,556.03/x
  3. Step 3: Cross multiply
    915,004.71x = 1,372,679.78 × 346,556.03
  4. Step 4: Simplify right side
    915,004.71x = 475,710,455,018.07
  5. Step 5: Solve for x
    x = 475,710,455,018.07/915,004.71
  6. Step 6: Final answer
    x = 519,899.46

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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.