Finding the Fourth Proportional to 821,499.68, 1,133,588.04 and 458,915.74
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Solution
The fourth proportional to 821,499.68, 1,133,588.04 and 458,915.74 is: 633,258.18
Step by Step Solution
- Step 1: Write the proportion equation
821,499.68 : 1,133,588.04 = 458,915.74 : x - Step 2: Convert to fraction form
821,499.68/1,133,588.04 = 458,915.74/x - Step 3: Cross multiply
821,499.68x = 1,133,588.04 × 458,915.74 - Step 4: Simplify right side
821,499.68x = 520,221,394,231.75 - Step 5: Solve for x
x = 520,221,394,231.75/821,499.68 - Step 6: Final answer
x = 633,258.18
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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.