Finding the Fourth Proportional to 463,570.68, 639,705.42 and 284,688.12
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Solution
The fourth proportional to 463,570.68, 639,705.42 and 284,688.12 is: 392,856.02
Step by Step Solution
- Step 1: Write the proportion equation
463,570.68 : 639,705.42 = 284,688.12 : x - Step 2: Convert to fraction form
463,570.68/639,705.42 = 284,688.12/x - Step 3: Cross multiply
463,570.68x = 639,705.42 × 284,688.12 - Step 4: Simplify right side
463,570.68x = 182,116,533,373.61 - Step 5: Solve for x
x = 182,116,533,373.61/463,570.68 - Step 6: Final answer
x = 392,856.02
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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.