Finding the Fourth Proportional to 997,740.81, 1,376,879.99 and 545,035.05
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Solution
The fourth proportional to 997,740.81, 1,376,879.99 and 545,035.05 is: 752,147.09
Step by Step Solution
- Step 1: Write the proportion equation
997,740.81 : 1,376,879.99 = 545,035.05 : x - Step 2: Convert to fraction form
997,740.81/1,376,879.99 = 545,035.05/x - Step 3: Cross multiply
997,740.81x = 1,376,879.99 × 545,035.05 - Step 4: Simplify right side
997,740.81x = 750,447,851,468.47 - Step 5: Solve for x
x = 750,447,851,468.47/997,740.81 - Step 6: Final answer
x = 752,147.09
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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.