Home / 849,891.40-1,272,212.70-493,847.80

Finding the Fourth Proportional to 849,891.40, 1,272,212.70 and 493,847.80

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Solution

The fourth proportional to 849,891.40, 1,272,212.70 and 493,847.80 is: 739,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,891.40 : 1,272,212.70 = 493,847.80 : x
  2. Step 2: Convert to fraction form
    849,891.40/1,272,212.70 = 493,847.80/x
  3. Step 3: Cross multiply
    849,891.40x = 1,272,212.70 × 493,847.80
  4. Step 4: Simplify right side
    849,891.40x = 628,279,443,027.06
  5. Step 5: Solve for x
    x = 628,279,443,027.06/849,891.40
  6. Step 6: Final answer
    x = 739,246.74

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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.