Finding the Fourth Proportional to 748,324.09, 1,032,688.20 and 426,034.18
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Solution
The fourth proportional to 748,324.09, 1,032,688.20 and 426,034.18 is: 587,927.71
Step by Step Solution
- Step 1: Write the proportion equation
748,324.09 : 1,032,688.20 = 426,034.18 : x - Step 2: Convert to fraction form
748,324.09/1,032,688.20 = 426,034.18/x - Step 3: Cross multiply
748,324.09x = 1,032,688.20 × 426,034.18 - Step 4: Simplify right side
748,324.09x = 439,960,465,319.24 - Step 5: Solve for x
x = 439,960,465,319.24/748,324.09 - Step 6: Final answer
x = 587,927.71
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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.