Home / 853,927.46-1,280,866.90-254,893.58

Finding the Fourth Proportional to 853,927.46, 1,280,866.90 and 254,893.58

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Solution

The fourth proportional to 853,927.46, 1,280,866.90 and 254,893.58 is: 382,333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,927.46 : 1,280,866.90 = 254,893.58 : x
  2. Step 2: Convert to fraction form
    853,927.46/1,280,866.90 = 254,893.58/x
  3. Step 3: Cross multiply
    853,927.46x = 1,280,866.90 × 254,893.58
  4. Step 4: Simplify right side
    853,927.46x = 326,484,749,644.50
  5. Step 5: Solve for x
    x = 326,484,749,644.50/853,927.46
  6. Step 6: Final answer
    x = 382,333.12

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1.5x scale

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.