Finding the Fourth Proportional to 974,306.42, 1,344,534.57 and 538,734.99
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Solution
The fourth proportional to 974,306.42, 1,344,534.57 and 538,734.99 is: 743,449.71
Step by Step Solution
- Step 1: Write the proportion equation
974,306.42 : 1,344,534.57 = 538,734.99 : x - Step 2: Convert to fraction form
974,306.42/1,344,534.57 = 538,734.99/x - Step 3: Cross multiply
974,306.42x = 1,344,534.57 × 538,734.99 - Step 4: Simplify right side
974,306.42x = 724,347,818,123.60 - Step 5: Solve for x
x = 724,347,818,123.60/974,306.42 - Step 6: Final answer
x = 743,449.71
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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.