Finding the Fourth Proportional to 677,536.94, 1,016,398.35 and 393,360.99
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Solution
The fourth proportional to 677,536.94, 1,016,398.35 and 393,360.99 is: 590,095.45
Step by Step Solution
- Step 1: Write the proportion equation
677,536.94 : 1,016,398.35 = 393,360.99 : x - Step 2: Convert to fraction form
677,536.94/1,016,398.35 = 393,360.99/x - Step 3: Cross multiply
677,536.94x = 1,016,398.35 × 393,360.99 - Step 4: Simplify right side
677,536.94x = 399,811,461,190.37 - Step 5: Solve for x
x = 399,811,461,190.37/677,536.94 - Step 6: Final answer
x = 590,095.45
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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.