Finding the Fourth Proportional to 801,677.25, 1,106,282.21 and 479,565.36
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Solution
The fourth proportional to 801,677.25, 1,106,282.21 and 479,565.36 is: 661,780.82
Step by Step Solution
- Step 1: Write the proportion equation
801,677.25 : 1,106,282.21 = 479,565.36 : x - Step 2: Convert to fraction form
801,677.25/1,106,282.21 = 479,565.36/x - Step 3: Cross multiply
801,677.25x = 1,106,282.21 × 479,565.36 - Step 4: Simplify right side
801,677.25x = 530,534,623,902.42 - Step 5: Solve for x
x = 530,534,623,902.42/801,677.25 - Step 6: Final answer
x = 661,780.82
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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.