Finding the Fourth Proportional to 821,268.12, 1,133,337.78 and 458,698.08
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Solution
The fourth proportional to 821,268.12, 1,133,337.78 and 458,698.08 is: 632,996.52
Step by Step Solution
- Step 1: Write the proportion equation
821,268.12 : 1,133,337.78 = 458,698.08 : x - Step 2: Convert to fraction form
821,268.12/1,133,337.78 = 458,698.08/x - Step 3: Cross multiply
821,268.12x = 1,133,337.78 × 458,698.08 - Step 4: Simplify right side
821,268.12x = 519,859,863,677.46 - Step 5: Solve for x
x = 519,859,863,677.46/821,268.12 - Step 6: Final answer
x = 632,996.52
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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.