Finding the Fourth Proportional to 920,768.08, 1,270,579.08 and 512,839.12
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Solution
The fourth proportional to 920,768.08, 1,270,579.08 and 512,839.12 is: 707,672.94
Step by Step Solution
- Step 1: Write the proportion equation
920,768.08 : 1,270,579.08 = 512,839.12 : x - Step 2: Convert to fraction form
920,768.08/1,270,579.08 = 512,839.12/x - Step 3: Cross multiply
920,768.08x = 1,270,579.08 × 512,839.12 - Step 4: Simplify right side
920,768.08x = 651,602,657,277.61 - Step 5: Solve for x
x = 651,602,657,277.61/920,768.08 - Step 6: Final answer
x = 707,672.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.