Finding the Fourth Proportional to 767,331.64, 1,058,581.74 and 731,756.44
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Solution
The fourth proportional to 767,331.64, 1,058,581.74 and 731,756.44 is: 1,009,503.54
Step by Step Solution
- Step 1: Write the proportion equation
767,331.64 : 1,058,581.74 = 731,756.44 : x - Step 2: Convert to fraction form
767,331.64/1,058,581.74 = 731,756.44/x - Step 3: Cross multiply
767,331.64x = 1,058,581.74 × 731,756.44 - Step 4: Simplify right side
767,331.64x = 774,624,005,511.41 - Step 5: Solve for x
x = 774,624,005,511.41/767,331.64 - Step 6: Final answer
x = 1,009,503.54
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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.