Finding the Fourth Proportional to 832,476.26, 1,148,820.18 and 450,502.94
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Solution
The fourth proportional to 832,476.26, 1,148,820.18 and 450,502.94 is: 621,695.65
Step by Step Solution
- Step 1: Write the proportion equation
832,476.26 : 1,148,820.18 = 450,502.94 : x - Step 2: Convert to fraction form
832,476.26/1,148,820.18 = 450,502.94/x - Step 3: Cross multiply
832,476.26x = 1,148,820.18 × 450,502.94 - Step 4: Simplify right side
832,476.26x = 517,546,868,621.33 - Step 5: Solve for x
x = 517,546,868,621.33/832,476.26 - Step 6: Final answer
x = 621,695.65
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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.