Finding the Fourth Proportional to 931,879.37, 1,397,663.35 and 258,028.79
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Solution
The fourth proportional to 931,879.37, 1,397,663.35 and 258,028.79 is: 387,000.07
Step by Step Solution
- Step 1: Write the proportion equation
931,879.37 : 1,397,663.35 = 258,028.79 : x - Step 2: Convert to fraction form
931,879.37/1,397,663.35 = 258,028.79/x - Step 3: Cross multiply
931,879.37x = 1,397,663.35 × 258,028.79 - Step 4: Simplify right side
931,879.37x = 360,637,381,737.70 - Step 5: Solve for x
x = 360,637,381,737.70/931,879.37 - Step 6: Final answer
x = 387,000.07
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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.