Finding the Fourth Proportional to 552,563.05, 762,125.96 and 487,918.23
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Solution
The fourth proportional to 552,563.05, 762,125.96 and 487,918.23 is: 672,964.20
Step by Step Solution
- Step 1: Write the proportion equation
552,563.05 : 762,125.96 = 487,918.23 : x - Step 2: Convert to fraction form
552,563.05/762,125.96 = 487,918.23/x - Step 3: Cross multiply
552,563.05x = 762,125.96 × 487,918.23 - Step 4: Simplify right side
552,563.05x = 371,855,150,660.05 - Step 5: Solve for x
x = 371,855,150,660.05/552,563.05 - Step 6: Final answer
x = 672,964.20
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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.