Finding the Fourth Proportional to 790,260.78, 1,185,258.59 and 284,727.53
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Solution
The fourth proportional to 790,260.78, 1,185,258.59 and 284,727.53 is: 427,043.53
Step by Step Solution
- Step 1: Write the proportion equation
790,260.78 : 1,185,258.59 = 284,727.53 : x - Step 2: Convert to fraction form
790,260.78/1,185,258.59 = 284,727.53/x - Step 3: Cross multiply
790,260.78x = 1,185,258.59 × 284,727.53 - Step 4: Simplify right side
790,260.78x = 337,475,753,349.22 - Step 5: Solve for x
x = 337,475,753,349.22/790,260.78 - Step 6: Final answer
x = 427,043.53
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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.