Finding the Fourth Proportional to 755,615.19, 1,133,420.22 and 306,335.01
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Solution
The fourth proportional to 755,615.19, 1,133,420.22 and 306,335.01 is: 459,501.48
Step by Step Solution
- Step 1: Write the proportion equation
755,615.19 : 1,133,420.22 = 306,335.01 : x - Step 2: Convert to fraction form
755,615.19/1,133,420.22 = 306,335.01/x - Step 3: Cross multiply
755,615.19x = 1,133,420.22 × 306,335.01 - Step 4: Simplify right side
755,615.19x = 347,206,298,678.23 - Step 5: Solve for x
x = 347,206,298,678.23/755,615.19 - Step 6: Final answer
x = 459,501.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.