Finding the Fourth Proportional to 835,918.36, 1,153,920.47 and 564,354.09
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Solution
The fourth proportional to 835,918.36, 1,153,920.47 and 564,354.09 is: 779,047.05
Step by Step Solution
- Step 1: Write the proportion equation
835,918.36 : 1,153,920.47 = 564,354.09 : x - Step 2: Convert to fraction form
835,918.36/1,153,920.47 = 564,354.09/x - Step 3: Cross multiply
835,918.36x = 1,153,920.47 × 564,354.09 - Step 4: Simplify right side
835,918.36x = 651,219,733,957.45 - Step 5: Solve for x
x = 651,219,733,957.45/835,918.36 - Step 6: Final answer
x = 779,047.05
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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.