Finding the Fourth Proportional to 806,379.99, 1,112,746.97 and 479,675.00
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Solution
The fourth proportional to 806,379.99, 1,112,746.97 and 479,675.00 is: 661,917.34
Step by Step Solution
- Step 1: Write the proportion equation
806,379.99 : 1,112,746.97 = 479,675.00 : x - Step 2: Convert to fraction form
806,379.99/1,112,746.97 = 479,675.00/x - Step 3: Cross multiply
806,379.99x = 1,112,746.97 × 479,675.00 - Step 4: Simplify right side
806,379.99x = 533,756,894,872.64 - Step 5: Solve for x
x = 533,756,894,872.64/806,379.99 - Step 6: Final answer
x = 661,917.34
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.