Home / 857,676.87-1,284,891.44-572,507.55

Finding the Fourth Proportional to 857,676.87, 1,284,891.44 and 572,507.55

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Solution

The fourth proportional to 857,676.87, 1,284,891.44 and 572,507.55 is: 857,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,676.87 : 1,284,891.44 = 572,507.55 : x
  2. Step 2: Convert to fraction form
    857,676.87/1,284,891.44 = 572,507.55/x
  3. Step 3: Cross multiply
    857,676.87x = 1,284,891.44 × 572,507.55
  4. Step 4: Simplify right side
    857,676.87x = 735,610,047,467.83
  5. Step 5: Solve for x
    x = 735,610,047,467.83/857,676.87
  6. Step 6: Final answer
    x = 857,677.38

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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.