Home / 876,857.10-1,314,556.65-371,805.90

Finding the Fourth Proportional to 876,857.10, 1,314,556.65 and 371,805.90

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Solution

The fourth proportional to 876,857.10, 1,314,556.65 and 371,805.90 is: 557,399.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,857.10 : 1,314,556.65 = 371,805.90 : x
  2. Step 2: Convert to fraction form
    876,857.10/1,314,556.65 = 371,805.90/x
  3. Step 3: Cross multiply
    876,857.10x = 1,314,556.65 × 371,805.90
  4. Step 4: Simplify right side
    876,857.10x = 488,759,918,354.24
  5. Step 5: Solve for x
    x = 488,759,918,354.24/876,857.10
  6. Step 6: Final answer
    x = 557,399.74

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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.