Finding the Fourth Proportional to 832,407.92, 1,148,725.96 and 450,434.68
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Solution
The fourth proportional to 832,407.92, 1,148,725.96 and 450,434.68 is: 621,601.50
Step by Step Solution
- Step 1: Write the proportion equation
832,407.92 : 1,148,725.96 = 450,434.68 : x - Step 2: Convert to fraction form
832,407.92/1,148,725.96 = 450,434.68/x - Step 3: Cross multiply
832,407.92x = 1,148,725.96 × 450,434.68 - Step 4: Simplify right side
832,407.92x = 517,426,010,200.29 - Step 5: Solve for x
x = 517,426,010,200.29/832,407.92 - Step 6: Final answer
x = 621,601.50
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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.