Finding the Fourth Proportional to 920,767.08, 1,270,577.70 and 512,838.12
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Solution
The fourth proportional to 920,767.08, 1,270,577.70 and 512,838.12 is: 707,671.56
Step by Step Solution
- Step 1: Write the proportion equation
920,767.08 : 1,270,577.70 = 512,838.12 : x - Step 2: Convert to fraction form
920,767.08/1,270,577.70 = 512,838.12/x - Step 3: Cross multiply
920,767.08x = 1,270,577.70 × 512,838.12 - Step 4: Simplify right side
920,767.08x = 651,600,678,981.92 - Step 5: Solve for x
x = 651,600,678,981.92/920,767.08 - Step 6: Final answer
x = 707,671.56
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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.