Finding the Fourth Proportional to 743,118.24, 1,025,508.42 and 403,586.49
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Solution
The fourth proportional to 743,118.24, 1,025,508.42 and 403,586.49 is: 556,952.21
Step by Step Solution
- Step 1: Write the proportion equation
743,118.24 : 1,025,508.42 = 403,586.49 : x - Step 2: Convert to fraction form
743,118.24/1,025,508.42 = 403,586.49/x - Step 3: Cross multiply
743,118.24x = 1,025,508.42 × 403,586.49 - Step 4: Simplify right side
743,118.24x = 413,881,343,693.25 - Step 5: Solve for x
x = 413,881,343,693.25/743,118.24 - Step 6: Final answer
x = 556,952.21
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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.