Finding the Fourth Proportional to 457,347.27, 631,358.64 and 321,497.67
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Solution
The fourth proportional to 457,347.27, 631,358.64 and 321,497.67 is: 443,821.02
Step by Step Solution
- Step 1: Write the proportion equation
457,347.27 : 631,358.64 = 321,497.67 : x - Step 2: Convert to fraction form
457,347.27/631,358.64 = 321,497.67/x - Step 3: Cross multiply
457,347.27x = 631,358.64 × 321,497.67 - Step 4: Simplify right side
457,347.27x = 202,980,331,694.37 - Step 5: Solve for x
x = 202,980,331,694.37/457,347.27 - Step 6: Final answer
x = 443,821.02
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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.