Finding the Fourth Proportional to 821,336.08, 1,133,431.74 and 458,765.02
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Solution
The fourth proportional to 821,336.08, 1,133,431.74 and 458,765.02 is: 633,089.00
Step by Step Solution
- Step 1: Write the proportion equation
821,336.08 : 1,133,431.74 = 458,765.02 : x - Step 2: Convert to fraction form
821,336.08/1,133,431.74 = 458,765.02/x - Step 3: Cross multiply
821,336.08x = 1,133,431.74 × 458,765.02 - Step 4: Simplify right side
821,336.08x = 519,978,834,869.74 - Step 5: Solve for x
x = 519,978,834,869.74/821,336.08 - Step 6: Final answer
x = 633,089.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.