Finding the Fourth Proportional to 821,564.75, 1,232,502.65 and 378,332.75
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Solution
The fourth proportional to 821,564.75, 1,232,502.65 and 378,332.75 is: 567,570.74
Step by Step Solution
- Step 1: Write the proportion equation
821,564.75 : 1,232,502.65 = 378,332.75 : x - Step 2: Convert to fraction form
821,564.75/1,232,502.65 = 378,332.75/x - Step 3: Cross multiply
821,564.75x = 1,232,502.65 × 378,332.75 - Step 4: Simplify right side
821,564.75x = 466,296,116,956.79 - Step 5: Solve for x
x = 466,296,116,956.79/821,564.75 - Step 6: Final answer
x = 567,570.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.