Finding the Fourth Proportional to 933,798.24, 1,288,646.82 and 531,390.24
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Solution
The fourth proportional to 933,798.24, 1,288,646.82 and 531,390.24 is: 733,321.52
Step by Step Solution
- Step 1: Write the proportion equation
933,798.24 : 1,288,646.82 = 531,390.24 : x - Step 2: Convert to fraction form
933,798.24/1,288,646.82 = 531,390.24/x - Step 3: Cross multiply
933,798.24x = 1,288,646.82 × 531,390.24 - Step 4: Simplify right side
933,798.24x = 684,774,342,955.04 - Step 5: Solve for x
x = 684,774,342,955.04/933,798.24 - Step 6: Final answer
x = 733,321.52
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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.