Finding the Fourth Proportional to 695,943.80, 1,043,915.70 and 322,695.80
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Solution
The fourth proportional to 695,943.80, 1,043,915.70 and 322,695.80 is: 484,043.70
Step by Step Solution
- Step 1: Write the proportion equation
695,943.80 : 1,043,915.70 = 322,695.80 : x - Step 2: Convert to fraction form
695,943.80/1,043,915.70 = 322,695.80/x - Step 3: Cross multiply
695,943.80x = 1,043,915.70 × 322,695.80 - Step 4: Simplify right side
695,943.80x = 336,867,211,944.06 - Step 5: Solve for x
x = 336,867,211,944.06/695,943.80 - Step 6: Final answer
x = 484,043.70
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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.