Finding the Fourth Proportional to 935,950.68, 1,291,612.19 and 528,138.95
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Solution
The fourth proportional to 935,950.68, 1,291,612.19 and 528,138.95 is: 728,831.88
Step by Step Solution
- Step 1: Write the proportion equation
935,950.68 : 1,291,612.19 = 528,138.95 : x - Step 2: Convert to fraction form
935,950.68/1,291,612.19 = 528,138.95/x - Step 3: Cross multiply
935,950.68x = 1,291,612.19 × 528,138.95 - Step 4: Simplify right side
935,950.68x = 682,150,696,735.05 - Step 5: Solve for x
x = 682,150,696,735.05/935,950.68 - Step 6: Final answer
x = 728,831.88
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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.