Finding the Fourth Proportional to 880,299.16, 1,319,656.56 and 318,940
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Solution
The fourth proportional to 880,299.16, 1,319,656.56 and 318,940 is: 478,122.99
Step by Step Solution
- Step 1: Write the proportion equation
880,299.16 : 1,319,656.56 = 318,940 : x - Step 2: Convert to fraction form
880,299.16/1,319,656.56 = 318,940/x - Step 3: Cross multiply
880,299.16x = 1,319,656.56 × 318,940 - Step 4: Simplify right side
880,299.16x = 420,891,263,246.40 - Step 5: Solve for x
x = 420,891,263,246.40/880,299.16 - Step 6: Final answer
x = 478,122.99
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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.