Finding the Fourth Proportional to 980,781.55, 1,354,082.40 and 777,652.99
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Solution
The fourth proportional to 980,781.55, 1,354,082.40 and 777,652.99 is: 1,073,639.92
Step by Step Solution
- Step 1: Write the proportion equation
980,781.55 : 1,354,082.40 = 777,652.99 : x - Step 2: Convert to fraction form
980,781.55/1,354,082.40 = 777,652.99/x - Step 3: Cross multiply
980,781.55x = 1,354,082.40 × 777,652.99 - Step 4: Simplify right side
980,781.55x = 1,053,006,223,681.17 - Step 5: Solve for x
x = 1,053,006,223,681.17/980,781.55 - Step 6: Final answer
x = 1,073,639.92
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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.