Home / 939,867.52-1,297,018.08-510,147.52

Finding the Fourth Proportional to 939,867.52, 1,297,018.08 and 510,147.52

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Solution

The fourth proportional to 939,867.52, 1,297,018.08 and 510,147.52 is: 704,004.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,867.52 : 1,297,018.08 = 510,147.52 : x
  2. Step 2: Convert to fraction form
    939,867.52/1,297,018.08 = 510,147.52/x
  3. Step 3: Cross multiply
    939,867.52x = 1,297,018.08 × 510,147.52
  4. Step 4: Simplify right side
    939,867.52x = 661,670,556,907.16
  5. Step 5: Solve for x
    x = 661,670,556,907.16/939,867.52
  6. Step 6: Final answer
    x = 704,004.07

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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.