Home / 849,676.19-1,172,415.94-487,033.31

Finding the Fourth Proportional to 849,676.19, 1,172,415.94 and 487,033.31

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Solution

The fourth proportional to 849,676.19, 1,172,415.94 and 487,033.31 is: 672,027.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,676.19 : 1,172,415.94 = 487,033.31 : x
  2. Step 2: Convert to fraction form
    849,676.19/1,172,415.94 = 487,033.31/x
  3. Step 3: Cross multiply
    849,676.19x = 1,172,415.94 × 487,033.31
  4. Step 4: Simplify right side
    849,676.19x = 571,005,617,668.42
  5. Step 5: Solve for x
    x = 571,005,617,668.42/849,676.19
  6. Step 6: Final answer
    x = 672,027.33

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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.