Finding the Fourth Proportional to 609,482.48, 913,382.93 and 459,557.99
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Solution
The fourth proportional to 609,482.48, 913,382.93 and 459,557.99 is: 688,703.02
Step by Step Solution
- Step 1: Write the proportion equation
609,482.48 : 913,382.93 = 459,557.99 : x - Step 2: Convert to fraction form
609,482.48/913,382.93 = 459,557.99/x - Step 3: Cross multiply
609,482.48x = 913,382.93 × 459,557.99 - Step 4: Simplify right side
609,482.48x = 419,752,423,418.28 - Step 5: Solve for x
x = 419,752,423,418.28/609,482.48 - Step 6: Final answer
x = 688,703.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.