Finding the Fourth Proportional to 859,987.05, 1,186,796.34 and 472,818.84
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Solution
The fourth proportional to 859,987.05, 1,186,796.34 and 472,818.84 is: 652,497.81
Step by Step Solution
- Step 1: Write the proportion equation
859,987.05 : 1,186,796.34 = 472,818.84 : x - Step 2: Convert to fraction form
859,987.05/1,186,796.34 = 472,818.84/x - Step 3: Cross multiply
859,987.05x = 1,186,796.34 × 472,818.84 - Step 4: Simplify right side
859,987.05x = 561,139,668,795.05 - Step 5: Solve for x
x = 561,139,668,795.05/859,987.05 - Step 6: Final answer
x = 652,497.81
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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.