Finding the Fourth Proportional to 776,623.50, 1,163,252.61 and 376,427.07
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Solution
The fourth proportional to 776,623.50, 1,163,252.61 and 376,427.07 is: 563,825.03
Step by Step Solution
- Step 1: Write the proportion equation
776,623.50 : 1,163,252.61 = 376,427.07 : x - Step 2: Convert to fraction form
776,623.50/1,163,252.61 = 376,427.07/x - Step 3: Cross multiply
776,623.50x = 1,163,252.61 × 376,427.07 - Step 4: Simplify right side
776,623.50x = 437,879,771,652.15 - Step 5: Solve for x
x = 437,879,771,652.15/776,623.50 - Step 6: Final answer
x = 563,825.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.