Home / 854,893.16-1,284,666.08-455,815.88

Finding the Fourth Proportional to 854,893.16, 1,284,666.08 and 455,815.88

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Solution

The fourth proportional to 854,893.16, 1,284,666.08 and 455,815.88 is: 684,964.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,893.16 : 1,284,666.08 = 455,815.88 : x
  2. Step 2: Convert to fraction form
    854,893.16/1,284,666.08 = 455,815.88/x
  3. Step 3: Cross multiply
    854,893.16x = 1,284,666.08 × 455,815.88
  4. Step 4: Simplify right side
    854,893.16x = 585,571,199,761.35
  5. Step 5: Solve for x
    x = 585,571,199,761.35/854,893.16
  6. Step 6: Final answer
    x = 684,964.19

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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.