Finding the Fourth Proportional to 750,253.36, 1,035,432.84 and 428,042.92
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Solution
The fourth proportional to 750,253.36, 1,035,432.84 and 428,042.92 is: 590,746.70
Step by Step Solution
- Step 1: Write the proportion equation
750,253.36 : 1,035,432.84 = 428,042.92 : x - Step 2: Convert to fraction form
750,253.36/1,035,432.84 = 428,042.92/x - Step 3: Cross multiply
750,253.36x = 1,035,432.84 × 428,042.92 - Step 4: Simplify right side
750,253.36x = 443,209,696,297.49 - Step 5: Solve for x
x = 443,209,696,297.49/750,253.36 - Step 6: Final answer
x = 590,746.70
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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.