Finding the Fourth Proportional to 790,892.84, 1,185,628.82 and 285,334.99
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Solution
The fourth proportional to 790,892.84, 1,185,628.82 and 285,334.99 is: 427,746.17
Step by Step Solution
- Step 1: Write the proportion equation
790,892.84 : 1,185,628.82 = 285,334.99 : x - Step 2: Convert to fraction form
790,892.84/1,185,628.82 = 285,334.99/x - Step 3: Cross multiply
790,892.84x = 1,185,628.82 × 285,334.99 - Step 4: Simplify right side
790,892.84x = 338,301,383,107.67 - Step 5: Solve for x
x = 338,301,383,107.67/790,892.84 - Step 6: Final answer
x = 427,746.17
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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.