Finding the Fourth Proportional to 918,136.20, 1,377,204.30 and 619,537.80
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Solution
The fourth proportional to 918,136.20, 1,377,204.30 and 619,537.80 is: 929,306.70
Step by Step Solution
- Step 1: Write the proportion equation
918,136.20 : 1,377,204.30 = 619,537.80 : x - Step 2: Convert to fraction form
918,136.20/1,377,204.30 = 619,537.80/x - Step 3: Cross multiply
918,136.20x = 1,377,204.30 × 619,537.80 - Step 4: Simplify right side
918,136.20x = 853,230,122,172.54 - Step 5: Solve for x
x = 853,230,122,172.54/918,136.20 - Step 6: Final answer
x = 929,306.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.