Finding the Fourth Proportional to 664,488.18, 918,193.19 and 473,169.42
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Solution
The fourth proportional to 664,488.18, 918,193.19 and 473,169.42 is: 653,827.94
Step by Step Solution
- Step 1: Write the proportion equation
664,488.18 : 918,193.19 = 473,169.42 : x - Step 2: Convert to fraction form
664,488.18/918,193.19 = 473,169.42/x - Step 3: Cross multiply
664,488.18x = 918,193.19 × 473,169.42 - Step 4: Simplify right side
664,488.18x = 434,460,936,794.40 - Step 5: Solve for x
x = 434,460,936,794.40/664,488.18 - Step 6: Final answer
x = 653,827.94
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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.