Finding the Fourth Proportional to 854,623.80, 1,281,133.80 and 322,502.40
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Solution
The fourth proportional to 854,623.80, 1,281,133.80 and 322,502.40 is: 483,450.99
Step by Step Solution
- Step 1: Write the proportion equation
854,623.80 : 1,281,133.80 = 322,502.40 : x - Step 2: Convert to fraction form
854,623.80/1,281,133.80 = 322,502.40/x - Step 3: Cross multiply
854,623.80x = 1,281,133.80 × 322,502.40 - Step 4: Simplify right side
854,623.80x = 413,168,725,221.12 - Step 5: Solve for x
x = 413,168,725,221.12/854,623.80 - Step 6: Final answer
x = 483,450.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.