Finding the Fourth Proportional to 918,204.67, 1,267,106.31 and 510,306.49
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Solution
The fourth proportional to 918,204.67, 1,267,106.31 and 510,306.49 is: 704,213.99
Step by Step Solution
- Step 1: Write the proportion equation
918,204.67 : 1,267,106.31 = 510,306.49 : x - Step 2: Convert to fraction form
918,204.67/1,267,106.31 = 510,306.49/x - Step 3: Cross multiply
918,204.67x = 1,267,106.31 × 510,306.49 - Step 4: Simplify right side
918,204.67x = 646,612,573,512.95 - Step 5: Solve for x
x = 646,612,573,512.95/918,204.67 - Step 6: Final answer
x = 704,213.99
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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.