Finding the Fourth Proportional to 801,768.15, 1,106,403.78 and 479,655.84
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Solution
The fourth proportional to 801,768.15, 1,106,403.78 and 479,655.84 is: 661,903.36
Step by Step Solution
- Step 1: Write the proportion equation
801,768.15 : 1,106,403.78 = 479,655.84 : x - Step 2: Convert to fraction form
801,768.15/1,106,403.78 = 479,655.84/x - Step 3: Cross multiply
801,768.15x = 1,106,403.78 × 479,655.84 - Step 4: Simplify right side
801,768.15x = 530,693,034,475.08 - Step 5: Solve for x
x = 530,693,034,475.08/801,768.15 - Step 6: Final answer
x = 661,903.36
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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.