Finding the Fourth Proportional to 748,028.92, 1,122,053.30 and 249,393.08
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Solution
The fourth proportional to 748,028.92, 1,122,053.30 and 249,393.08 is: 374,092.93
Step by Step Solution
- Step 1: Write the proportion equation
748,028.92 : 1,122,053.30 = 249,393.08 : x - Step 2: Convert to fraction form
748,028.92/1,122,053.30 = 249,393.08/x - Step 3: Cross multiply
748,028.92x = 1,122,053.30 × 249,393.08 - Step 4: Simplify right side
748,028.92x = 279,832,328,411.16 - Step 5: Solve for x
x = 279,832,328,411.16/748,028.92 - Step 6: Final answer
x = 374,092.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.