Finding the Fourth Proportional to 935,954.68, 1,291,617.71 and 528,142.95
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Solution
The fourth proportional to 935,954.68, 1,291,617.71 and 528,142.95 is: 728,837.41
Step by Step Solution
- Step 1: Write the proportion equation
935,954.68 : 1,291,617.71 = 528,142.95 : x - Step 2: Convert to fraction form
935,954.68/1,291,617.71 = 528,142.95/x - Step 3: Cross multiply
935,954.68x = 1,291,617.71 × 528,142.95 - Step 4: Simplify right side
935,954.68x = 682,158,787,631.64 - Step 5: Solve for x
x = 682,158,787,631.64/935,954.68 - Step 6: Final answer
x = 728,837.41
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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.