Finding the Fourth Proportional to 750,802.36, 1,036,198.28 and 424,129.14
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Solution
The fourth proportional to 750,802.36, 1,036,198.28 and 424,129.14 is: 585,349.63
Step by Step Solution
- Step 1: Write the proportion equation
750,802.36 : 1,036,198.28 = 424,129.14 : x - Step 2: Convert to fraction form
750,802.36/1,036,198.28 = 424,129.14/x - Step 3: Cross multiply
750,802.36x = 1,036,198.28 × 424,129.14 - Step 4: Simplify right side
750,802.36x = 439,481,885,365.88 - Step 5: Solve for x
x = 439,481,885,365.88/750,802.36 - Step 6: Final answer
x = 585,349.63
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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.