Finding the Fourth Proportional to 695,501.80, 1,043,252.70 and 322,253.80
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Solution
The fourth proportional to 695,501.80, 1,043,252.70 and 322,253.80 is: 483,380.70
Step by Step Solution
- Step 1: Write the proportion equation
695,501.80 : 1,043,252.70 = 322,253.80 : x - Step 2: Convert to fraction form
695,501.80/1,043,252.70 = 322,253.80/x - Step 3: Cross multiply
695,501.80x = 1,043,252.70 × 322,253.80 - Step 4: Simplify right side
695,501.80x = 336,192,146,935.26 - Step 5: Solve for x
x = 336,192,146,935.26/695,501.80 - Step 6: Final answer
x = 483,380.70
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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.