Finding the Fourth Proportional to 984,780.53, 1,360,118.14 and 661,930.12
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Solution
The fourth proportional to 984,780.53, 1,360,118.14 and 661,930.12 is: 914,217.06
Step by Step Solution
- Step 1: Write the proportion equation
984,780.53 : 1,360,118.14 = 661,930.12 : x - Step 2: Convert to fraction form
984,780.53/1,360,118.14 = 661,930.12/x - Step 3: Cross multiply
984,780.53x = 1,360,118.14 × 661,930.12 - Step 4: Simplify right side
984,780.53x = 900,303,158,569.26 - Step 5: Solve for x
x = 900,303,158,569.26/984,780.53 - Step 6: Final answer
x = 914,217.06
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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.