Home / 850,511.10-1,276,750.80-490,968.30

Finding the Fourth Proportional to 850,511.10, 1,276,750.80 and 490,968.30

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Solution

The fourth proportional to 850,511.10, 1,276,750.80 and 490,968.30 is: 737,020.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,511.10 : 1,276,750.80 = 490,968.30 : x
  2. Step 2: Convert to fraction form
    850,511.10/1,276,750.80 = 490,968.30/x
  3. Step 3: Cross multiply
    850,511.10x = 1,276,750.80 × 490,968.30
  4. Step 4: Simplify right side
    850,511.10x = 626,844,169,799.64
  5. Step 5: Solve for x
    x = 626,844,169,799.64/850,511.10
  6. Step 6: Final answer
    x = 737,020.56

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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.