Finding the Fourth Proportional to 982,943.68, 1,356,448.80 and 575,325.76
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Solution
The fourth proportional to 982,943.68, 1,356,448.80 and 575,325.76 is: 793,941.66
Step by Step Solution
- Step 1: Write the proportion equation
982,943.68 : 1,356,448.80 = 575,325.76 : x - Step 2: Convert to fraction form
982,943.68/1,356,448.80 = 575,325.76/x - Step 3: Cross multiply
982,943.68x = 1,356,448.80 × 575,325.76 - Step 4: Simplify right side
982,943.68x = 780,399,936,761.09 - Step 5: Solve for x
x = 780,399,936,761.09/982,943.68 - Step 6: Final answer
x = 793,941.66
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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.