Home / 856,133.16-1,284,210.50-257,059.44

Finding the Fourth Proportional to 856,133.16, 1,284,210.50 and 257,059.44

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Solution

The fourth proportional to 856,133.16, 1,284,210.50 and 257,059.44 is: 385,592.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,133.16 : 1,284,210.50 = 257,059.44 : x
  2. Step 2: Convert to fraction form
    856,133.16/1,284,210.50 = 257,059.44/x
  3. Step 3: Cross multiply
    856,133.16x = 1,284,210.50 × 257,059.44
  4. Step 4: Simplify right side
    856,133.16x = 330,118,431,972.12
  5. Step 5: Solve for x
    x = 330,118,431,972.12/856,133.16
  6. Step 6: Final answer
    x = 385,592.39

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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.