Finding the Fourth Proportional to 920,513.07, 1,269,653.68 and 614,435.13
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Solution
The fourth proportional to 920,513.07, 1,269,653.68 and 614,435.13 is: 847,483.70
Step by Step Solution
- Step 1: Write the proportion equation
920,513.07 : 1,269,653.68 = 614,435.13 : x - Step 2: Convert to fraction form
920,513.07/1,269,653.68 = 614,435.13/x - Step 3: Cross multiply
920,513.07x = 1,269,653.68 × 614,435.13 - Step 4: Simplify right side
920,513.07x = 780,119,824,693.82 - Step 5: Solve for x
x = 780,119,824,693.82/920,513.07 - Step 6: Final answer
x = 847,483.70
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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.