Finding the Fourth Proportional to 832,874.84, 1,149,367.68 and 450,901.64
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Solution
The fourth proportional to 832,874.84, 1,149,367.68 and 450,901.64 is: 622,244.48
Step by Step Solution
- Step 1: Write the proportion equation
832,874.84 : 1,149,367.68 = 450,901.64 : x - Step 2: Convert to fraction form
832,874.84/1,149,367.68 = 450,901.64/x - Step 3: Cross multiply
832,874.84x = 1,149,367.68 × 450,901.64 - Step 4: Simplify right side
832,874.84x = 518,251,771,875.00 - Step 5: Solve for x
x = 518,251,771,875.00/832,874.84 - Step 6: Final answer
x = 622,244.48
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1.5x scale
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.