Finding the Fourth Proportional to 775,342.73, 1,070,068.36 and 469,525.47
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Solution
The fourth proportional to 775,342.73, 1,070,068.36 and 469,525.47 is: 648,002.92
Step by Step Solution
- Step 1: Write the proportion equation
775,342.73 : 1,070,068.36 = 469,525.47 : x - Step 2: Convert to fraction form
775,342.73/1,070,068.36 = 469,525.47/x - Step 3: Cross multiply
775,342.73x = 1,070,068.36 × 469,525.47 - Step 4: Simplify right side
775,342.73x = 502,424,349,661.13 - Step 5: Solve for x
x = 502,424,349,661.13/775,342.73 - Step 6: Final answer
x = 648,002.92
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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.