Finding the Fourth Proportional to 605,573.28, 909,163.44 and 517,393.44
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Solution
The fourth proportional to 605,573.28, 909,163.44 and 517,393.44 is: 776,776.68
Step by Step Solution
- Step 1: Write the proportion equation
605,573.28 : 909,163.44 = 517,393.44 : x - Step 2: Convert to fraction form
605,573.28/909,163.44 = 517,393.44/x - Step 3: Cross multiply
605,573.28x = 909,163.44 × 517,393.44 - Step 4: Simplify right side
605,573.28x = 470,395,199,743.83 - Step 5: Solve for x
x = 470,395,199,743.83/605,573.28 - Step 6: Final answer
x = 776,776.68
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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.