Finding the Fourth Proportional to 964,534.98, 1,330,935.94 and 528,837.68
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Solution
The fourth proportional to 964,534.98, 1,330,935.94 and 528,837.68 is: 729,728.92
Step by Step Solution
- Step 1: Write the proportion equation
964,534.98 : 1,330,935.94 = 528,837.68 : x - Step 2: Convert to fraction form
964,534.98/1,330,935.94 = 528,837.68/x - Step 3: Cross multiply
964,534.98x = 1,330,935.94 × 528,837.68 - Step 4: Simplify right side
964,534.98x = 703,849,069,009.03 - Step 5: Solve for x
x = 703,849,069,009.03/964,534.98 - Step 6: Final answer
x = 729,728.92
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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.