Finding the Fourth Proportional to 983,888.89, 1,357,863.24 and 575,965.99
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Solution
The fourth proportional to 983,888.89, 1,357,863.24 and 575,965.99 is: 794,889.60
Step by Step Solution
- Step 1: Write the proportion equation
983,888.89 : 1,357,863.24 = 575,965.99 : x - Step 2: Convert to fraction form
983,888.89/1,357,863.24 = 575,965.99/x - Step 3: Cross multiply
983,888.89x = 1,357,863.24 × 575,965.99 - Step 4: Simplify right side
983,888.89x = 782,083,045,311.21 - Step 5: Solve for x
x = 782,083,045,311.21/983,888.89 - Step 6: Final answer
x = 794,889.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.