Finding the Fourth Proportional to 832,471.40, 1,248,201.43 and 326,426.12
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Solution
The fourth proportional to 832,471.40, 1,248,201.43 and 326,426.12 is: 489,440.90
Step by Step Solution
- Step 1: Write the proportion equation
832,471.40 : 1,248,201.43 = 326,426.12 : x - Step 2: Convert to fraction form
832,471.40/1,248,201.43 = 326,426.12/x - Step 3: Cross multiply
832,471.40x = 1,248,201.43 × 326,426.12 - Step 4: Simplify right side
832,471.40x = 407,445,553,301.89 - Step 5: Solve for x
x = 407,445,553,301.89/832,471.40 - Step 6: Final answer
x = 489,440.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.