Finding the Fourth Proportional to 581,405.34, 802,384.26 and 348,840.99
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Solution
The fourth proportional to 581,405.34, 802,384.26 and 348,840.99 is: 481,427.50
Step by Step Solution
- Step 1: Write the proportion equation
581,405.34 : 802,384.26 = 348,840.99 : x - Step 2: Convert to fraction form
581,405.34/802,384.26 = 348,840.99/x - Step 3: Cross multiply
581,405.34x = 802,384.26 × 348,840.99 - Step 4: Simplify right side
581,405.34x = 279,904,519,618.82 - Step 5: Solve for x
x = 279,904,519,618.82/581,405.34 - Step 6: Final answer
x = 481,427.50
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1.5x scale
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.