Finding the Fourth Proportional to 757,741.93, 1,045,681.71 and 418,207.75
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Solution
The fourth proportional to 757,741.93, 1,045,681.71 and 418,207.75 is: 577,125.51
Step by Step Solution
- Step 1: Write the proportion equation
757,741.93 : 1,045,681.71 = 418,207.75 : x - Step 2: Convert to fraction form
757,741.93/1,045,681.71 = 418,207.75/x - Step 3: Cross multiply
757,741.93x = 1,045,681.71 × 418,207.75 - Step 4: Simplify right side
757,741.93x = 437,312,195,155.25 - Step 5: Solve for x
x = 437,312,195,155.25/757,741.93 - Step 6: Final answer
x = 577,125.51
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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.