Finding the Fourth Proportional to 821,336.84, 1,133,432.78 and 458,765.96
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Solution
The fourth proportional to 821,336.84, 1,133,432.78 and 458,765.96 is: 633,090.29
Step by Step Solution
- Step 1: Write the proportion equation
821,336.84 : 1,133,432.78 = 458,765.96 : x - Step 2: Convert to fraction form
821,336.84/1,133,432.78 = 458,765.96/x - Step 3: Cross multiply
821,336.84x = 1,133,432.78 × 458,765.96 - Step 4: Simplify right side
821,336.84x = 519,980,377,412.17 - Step 5: Solve for x
x = 519,980,377,412.17/821,336.84 - Step 6: Final answer
x = 633,090.29
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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.