Finding the Fourth Proportional to 591,476.08, 816,237.39 and 319,543.87
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Solution
The fourth proportional to 591,476.08, 816,237.39 and 319,543.87 is: 440,970.75
Step by Step Solution
- Step 1: Write the proportion equation
591,476.08 : 816,237.39 = 319,543.87 : x - Step 2: Convert to fraction form
591,476.08/816,237.39 = 319,543.87/x - Step 3: Cross multiply
591,476.08x = 816,237.39 × 319,543.87 - Step 4: Simplify right side
591,476.08x = 260,823,648,760.39 - Step 5: Solve for x
x = 260,823,648,760.39/591,476.08 - Step 6: Final answer
x = 440,970.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.