Finding the Fourth Proportional to 763,031.28, 1,052,943.84 and 452,946.88
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Solution
The fourth proportional to 763,031.28, 1,052,943.84 and 452,946.88 is: 625,043.35
Step by Step Solution
- Step 1: Write the proportion equation
763,031.28 : 1,052,943.84 = 452,946.88 : x - Step 2: Convert to fraction form
763,031.28/1,052,943.84 = 452,946.88/x - Step 3: Cross multiply
763,031.28x = 1,052,943.84 × 452,946.88 - Step 4: Simplify right side
763,031.28x = 476,927,627,143.22 - Step 5: Solve for x
x = 476,927,627,143.22/763,031.28 - Step 6: Final answer
x = 625,043.35
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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.