Finding the Fourth Proportional to 788,209.68, 1,177,995.60 and 575,425.68
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Solution
The fourth proportional to 788,209.68, 1,177,995.60 and 575,425.68 is: 859,985.53
Step by Step Solution
- Step 1: Write the proportion equation
788,209.68 : 1,177,995.60 = 575,425.68 : x - Step 2: Convert to fraction form
788,209.68/1,177,995.60 = 575,425.68/x - Step 3: Cross multiply
788,209.68x = 1,177,995.60 × 575,425.68 - Step 4: Simplify right side
788,209.68x = 677,848,919,167.01 - Step 5: Solve for x
x = 677,848,919,167.01/788,209.68 - Step 6: Final answer
x = 859,985.53
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.