Finding the Fourth Proportional to 581,809.14, 802,995.21 and 336,758.40
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Solution
The fourth proportional to 581,809.14, 802,995.21 and 336,758.40 is: 464,783.66
Step by Step Solution
- Step 1: Write the proportion equation
581,809.14 : 802,995.21 = 336,758.40 : x - Step 2: Convert to fraction form
581,809.14/802,995.21 = 336,758.40/x - Step 3: Cross multiply
581,809.14x = 802,995.21 × 336,758.40 - Step 4: Simplify right side
581,809.14x = 270,415,382,127.26 - Step 5: Solve for x
x = 270,415,382,127.26/581,809.14 - Step 6: Final answer
x = 464,783.66
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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.