Finding the Fourth Proportional to 647,205.81, 893,174.58 and 360,727.98
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Solution
The fourth proportional to 647,205.81, 893,174.58 and 360,727.98 is: 497,821.65
Step by Step Solution
- Step 1: Write the proportion equation
647,205.81 : 893,174.58 = 360,727.98 : x - Step 2: Convert to fraction form
647,205.81/893,174.58 = 360,727.98/x - Step 3: Cross multiply
647,205.81x = 893,174.58 × 360,727.98 - Step 4: Simplify right side
647,205.81x = 322,193,062,030.75 - Step 5: Solve for x
x = 322,193,062,030.75/647,205.81 - Step 6: Final answer
x = 497,821.65
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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.