Finding the Fourth Proportional to 861,058.73, 1,292,386.16 and 434,893.84
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Solution
The fourth proportional to 861,058.73, 1,292,386.16 and 434,893.84 is: 652,743.83
Step by Step Solution
- Step 1: Write the proportion equation
861,058.73 : 1,292,386.16 = 434,893.84 : x - Step 2: Convert to fraction form
861,058.73/1,292,386.16 = 434,893.84/x - Step 3: Cross multiply
861,058.73x = 1,292,386.16 × 434,893.84 - Step 4: Simplify right side
861,058.73x = 562,050,774,479.82 - Step 5: Solve for x
x = 562,050,774,479.82/861,058.73 - Step 6: Final answer
x = 652,743.83
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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.