Finding the Fourth Proportional to 1,003,813.36, 1,385,252.75 and 544,918.09
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Solution
The fourth proportional to 1,003,813.36, 1,385,252.75 and 544,918.09 is: 751,981.70
Step by Step Solution
- Step 1: Write the proportion equation
1,003,813.36 : 1,385,252.75 = 544,918.09 : x - Step 2: Convert to fraction form
1,003,813.36/1,385,252.75 = 544,918.09/x - Step 3: Cross multiply
1,003,813.36x = 1,385,252.75 × 544,918.09 - Step 4: Simplify right side
1,003,813.36x = 754,849,276,509.53 - Step 5: Solve for x
x = 754,849,276,509.53/1,003,813.36 - Step 6: Final answer
x = 751,981.70
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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.