Finding the Fourth Proportional to 935,576.49, 1,290,800.84 and 572,621.97
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Solution
The fourth proportional to 935,576.49, 1,290,800.84 and 572,621.97 is: 790,037.93
Step by Step Solution
- Step 1: Write the proportion equation
935,576.49 : 1,290,800.84 = 572,621.97 : x - Step 2: Convert to fraction form
935,576.49/1,290,800.84 = 572,621.97/x - Step 3: Cross multiply
935,576.49x = 1,290,800.84 × 572,621.97 - Step 4: Simplify right side
935,576.49x = 739,140,917,015.35 - Step 5: Solve for x
x = 739,140,917,015.35/935,576.49 - Step 6: Final answer
x = 790,037.93
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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.