Finding the Fourth Proportional to 744,913.43, 1,117,362.13 and 493,319.53
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Solution
The fourth proportional to 744,913.43, 1,117,362.13 and 493,319.53 is: 739,973.99
Step by Step Solution
- Step 1: Write the proportion equation
744,913.43 : 1,117,362.13 = 493,319.53 : x - Step 2: Convert to fraction form
744,913.43/1,117,362.13 = 493,319.53/x - Step 3: Cross multiply
744,913.43x = 1,117,362.13 × 493,319.53 - Step 4: Simplify right side
744,913.43x = 551,216,560,811.40 - Step 5: Solve for x
x = 551,216,560,811.40/744,913.43 - Step 6: Final answer
x = 739,973.99
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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.