Home / 850,835.21-1,276,248.23-490,772.69

Finding the Fourth Proportional to 850,835.21, 1,276,248.23 and 490,772.69

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Solution

The fourth proportional to 850,835.21, 1,276,248.23 and 490,772.69 is: 736,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,835.21 : 1,276,248.23 = 490,772.69 : x
  2. Step 2: Convert to fraction form
    850,835.21/1,276,248.23 = 490,772.69/x
  3. Step 3: Cross multiply
    850,835.21x = 1,276,248.23 × 490,772.69
  4. Step 4: Simplify right side
    850,835.21x = 626,347,768,109.73
  5. Step 5: Solve for x
    x = 626,347,768,109.73/850,835.21
  6. Step 6: Final answer
    x = 736,156.38

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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.