Finding the Fourth Proportional to 562,437.12, 776,161.80 and 307,786.08
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Solution
The fourth proportional to 562,437.12, 776,161.80 and 307,786.08 is: 424,744.01
Step by Step Solution
- Step 1: Write the proportion equation
562,437.12 : 776,161.80 = 307,786.08 : x - Step 2: Convert to fraction form
562,437.12/776,161.80 = 307,786.08/x - Step 3: Cross multiply
562,437.12x = 776,161.80 × 307,786.08 - Step 4: Simplify right side
562,437.12x = 238,891,797,867.74 - Step 5: Solve for x
x = 238,891,797,867.74/562,437.12 - Step 6: Final answer
x = 424,744.01
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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.