Finding the Fourth Proportional to 487,705.68, 673,263.96 and 366,893.07
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Solution
The fourth proportional to 487,705.68, 673,263.96 and 366,893.07 is: 506,485.55
Step by Step Solution
- Step 1: Write the proportion equation
487,705.68 : 673,263.96 = 366,893.07 : x - Step 2: Convert to fraction form
487,705.68/673,263.96 = 366,893.07/x - Step 3: Cross multiply
487,705.68x = 673,263.96 × 366,893.07 - Step 4: Simplify right side
487,705.68x = 247,015,881,204.76 - Step 5: Solve for x
x = 247,015,881,204.76/487,705.68 - Step 6: Final answer
x = 506,485.55
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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.