Finding the Fourth Proportional to 985,543.59, 1,359,968.70 and 555,929.31
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Solution
The fourth proportional to 985,543.59, 1,359,968.70 and 555,929.31 is: 767,136.50
Step by Step Solution
- Step 1: Write the proportion equation
985,543.59 : 1,359,968.70 = 555,929.31 : x - Step 2: Convert to fraction form
985,543.59/1,359,968.70 = 555,929.31/x - Step 3: Cross multiply
985,543.59x = 1,359,968.70 × 555,929.31 - Step 4: Simplify right side
985,543.59x = 756,046,461,012.60 - Step 5: Solve for x
x = 756,046,461,012.60/985,543.59 - Step 6: Final answer
x = 767,136.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.