Finding the Fourth Proportional to 821,341.08, 1,133,438.64 and 458,770.02
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Solution
The fourth proportional to 821,341.08, 1,133,438.64 and 458,770.02 is: 633,095.90
Step by Step Solution
- Step 1: Write the proportion equation
821,341.08 : 1,133,438.64 = 458,770.02 : x - Step 2: Convert to fraction form
821,341.08/1,133,438.64 = 458,770.02/x - Step 3: Cross multiply
821,341.08x = 1,133,438.64 × 458,770.02 - Step 4: Simplify right side
821,341.08x = 519,987,667,541.57 - Step 5: Solve for x
x = 519,987,667,541.57/821,341.08 - Step 6: Final answer
x = 633,095.90
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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.