Home / 856,468.88-1,284,767.04-257,382.08

Finding the Fourth Proportional to 856,468.88, 1,284,767.04 and 257,382.08

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Solution

The fourth proportional to 856,468.88, 1,284,767.04 and 257,382.08 is: 386,092.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,468.88 : 1,284,767.04 = 257,382.08 : x
  2. Step 2: Convert to fraction form
    856,468.88/1,284,767.04 = 257,382.08/x
  3. Step 3: Cross multiply
    856,468.88x = 1,284,767.04 × 257,382.08
  4. Step 4: Simplify right side
    856,468.88x = 330,676,013,070.64
  5. Step 5: Solve for x
    x = 330,676,013,070.64/856,468.88
  6. Step 6: Final answer
    x = 386,092.27

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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.