Finding the Fourth Proportional to 706,192.87, 974,542.11 and 400,326.95
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Solution
The fourth proportional to 706,192.87, 974,542.11 and 400,326.95 is: 552,448.89
Step by Step Solution
- Step 1: Write the proportion equation
706,192.87 : 974,542.11 = 400,326.95 : x - Step 2: Convert to fraction form
706,192.87/974,542.11 = 400,326.95/x - Step 3: Cross multiply
706,192.87x = 974,542.11 × 400,326.95 - Step 4: Simplify right side
706,192.87x = 390,135,470,542.87 - Step 5: Solve for x
x = 390,135,470,542.87/706,192.87 - Step 6: Final answer
x = 552,448.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.