Finding the Fourth Proportional to 656,134.42, 899,560.19 and 644,177.02
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Solution
The fourth proportional to 656,134.42, 899,560.19 and 644,177.02 is: 883,166.60
Step by Step Solution
- Step 1: Write the proportion equation
656,134.42 : 899,560.19 = 644,177.02 : x - Step 2: Convert to fraction form
656,134.42/899,560.19 = 644,177.02/x - Step 3: Cross multiply
656,134.42x = 899,560.19 × 644,177.02 - Step 4: Simplify right side
656,134.42x = 579,476,002,504.83 - Step 5: Solve for x
x = 579,476,002,504.83/656,134.42 - Step 6: Final answer
x = 883,166.60
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.