Finding the Fourth Proportional to 814,731.53, 1,124,877.71 and 623,403.05
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Solution
The fourth proportional to 814,731.53, 1,124,877.71 and 623,403.05 is: 860,715.67
Step by Step Solution
- Step 1: Write the proportion equation
814,731.53 : 1,124,877.71 = 623,403.05 : x - Step 2: Convert to fraction form
814,731.53/1,124,877.71 = 623,403.05/x - Step 3: Cross multiply
814,731.53x = 1,124,877.71 × 623,403.05 - Step 4: Simplify right side
814,731.53x = 701,252,191,225.14 - Step 5: Solve for x
x = 701,252,191,225.14/814,731.53 - Step 6: Final answer
x = 860,715.67
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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.