Finding the Fourth Proportional to 971,902.65, 1,341,492.43 and 564,135.87
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Solution
The fourth proportional to 971,902.65, 1,341,492.43 and 564,135.87 is: 778,662.34
Step by Step Solution
- Step 1: Write the proportion equation
971,902.65 : 1,341,492.43 = 564,135.87 : x - Step 2: Convert to fraction form
971,902.65/1,341,492.43 = 564,135.87/x - Step 3: Cross multiply
971,902.65x = 1,341,492.43 × 564,135.87 - Step 4: Simplify right side
971,902.65x = 756,783,990,869.00 - Step 5: Solve for x
x = 756,783,990,869.00/971,902.65 - Step 6: Final answer
x = 778,662.34
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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.