Home / 939,896.34-1,297,022.22-510,167.40

Finding the Fourth Proportional to 939,896.34, 1,297,022.22 and 510,167.40

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Solution

The fourth proportional to 939,896.34, 1,297,022.22 and 510,167.40 is: 704,012.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,896.34 : 1,297,022.22 = 510,167.40 : x
  2. Step 2: Convert to fraction form
    939,896.34/1,297,022.22 = 510,167.40/x
  3. Step 3: Cross multiply
    939,896.34x = 1,297,022.22 × 510,167.40
  4. Step 4: Simplify right side
    939,896.34x = 661,698,453,719.63
  5. Step 5: Solve for x
    x = 661,698,453,719.63/939,896.34
  6. Step 6: Final answer
    x = 704,012.16

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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.