Finding the Fourth Proportional to 893,058.22, 1,232,415.36 and 485,156.80
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Solution
The fourth proportional to 893,058.22, 1,232,415.36 and 485,156.80 is: 669,513.68
Step by Step Solution
- Step 1: Write the proportion equation
893,058.22 : 1,232,415.36 = 485,156.80 : x - Step 2: Convert to fraction form
893,058.22/1,232,415.36 = 485,156.80/x - Step 3: Cross multiply
893,058.22x = 1,232,415.36 × 485,156.80 - Step 4: Simplify right side
893,058.22x = 597,914,692,328.45 - Step 5: Solve for x
x = 597,914,692,328.45/893,058.22 - Step 6: Final answer
x = 669,513.68
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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.