Finding the Fourth Proportional to 487,299.84, 729,177.60 and 402,269.28
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Solution
The fourth proportional to 487,299.84, 729,177.60 and 402,269.28 is: 601,940.99
Step by Step Solution
- Step 1: Write the proportion equation
487,299.84 : 729,177.60 = 402,269.28 : x - Step 2: Convert to fraction form
487,299.84/729,177.60 = 402,269.28/x - Step 3: Cross multiply
487,299.84x = 729,177.60 × 402,269.28 - Step 4: Simplify right side
487,299.84x = 293,325,748,144.13 - Step 5: Solve for x
x = 293,325,748,144.13/487,299.84 - Step 6: Final answer
x = 601,940.99
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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.