Finding the Fourth Proportional to 939,564.36, 1,296,602.40 and 509,844.48
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Solution
The fourth proportional to 939,564.36, 1,296,602.40 and 509,844.48 is: 703,587.33
Step by Step Solution
- Step 1: Write the proportion equation
939,564.36 : 1,296,602.40 = 509,844.48 : x - Step 2: Convert to fraction form
939,564.36/1,296,602.40 = 509,844.48/x - Step 3: Cross multiply
939,564.36x = 1,296,602.40 × 509,844.48 - Step 4: Simplify right side
939,564.36x = 661,065,576,394.75 - Step 5: Solve for x
x = 661,065,576,394.75/939,564.36 - Step 6: Final answer
x = 703,587.33
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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.