Finding the Fourth Proportional to 774,658.99, 1,068,961.21 and 430,473.03
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Solution
The fourth proportional to 774,658.99, 1,068,961.21 and 430,473.03 is: 594,014.89
Step by Step Solution
- Step 1: Write the proportion equation
774,658.99 : 1,068,961.21 = 430,473.03 : x - Step 2: Convert to fraction form
774,658.99/1,068,961.21 = 430,473.03/x - Step 3: Cross multiply
774,658.99x = 1,068,961.21 × 430,473.03 - Step 4: Simplify right side
774,658.99x = 460,158,971,021.17 - Step 5: Solve for x
x = 460,158,971,021.17/774,658.99 - Step 6: Final answer
x = 594,014.89
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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.