Finding the Fourth Proportional to 664,366.94, 917,348.70 and 534,894.08
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Solution
The fourth proportional to 664,366.94, 917,348.70 and 534,894.08 is: 738,574.36
Step by Step Solution
- Step 1: Write the proportion equation
664,366.94 : 917,348.70 = 534,894.08 : x - Step 2: Convert to fraction form
664,366.94/917,348.70 = 534,894.08/x - Step 3: Cross multiply
664,366.94x = 917,348.70 × 534,894.08 - Step 4: Simplify right side
664,366.94x = 490,684,388,925.70 - Step 5: Solve for x
x = 490,684,388,925.70/664,366.94 - Step 6: Final answer
x = 738,574.36
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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.