Finding the Fourth Proportional to 832,640.18, 1,149,071.22 and 510,287.99
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Solution
The fourth proportional to 832,640.18, 1,149,071.22 and 510,287.99 is: 704,214.44
Step by Step Solution
- Step 1: Write the proportion equation
832,640.18 : 1,149,071.22 = 510,287.99 : x - Step 2: Convert to fraction form
832,640.18/1,149,071.22 = 510,287.99/x - Step 3: Cross multiply
832,640.18x = 1,149,071.22 × 510,287.99 - Step 4: Simplify right side
832,640.18x = 586,357,237,475.29 - Step 5: Solve for x
x = 586,357,237,475.29/832,640.18 - Step 6: Final answer
x = 704,214.44
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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.