Finding the Fourth Proportional to 963,453.32, 1,328,817.12 and 657,776.12
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Solution
The fourth proportional to 963,453.32, 1,328,817.12 and 657,776.12 is: 907,220.05
Step by Step Solution
- Step 1: Write the proportion equation
963,453.32 : 1,328,817.12 = 657,776.12 : x - Step 2: Convert to fraction form
963,453.32/1,328,817.12 = 657,776.12/x - Step 3: Cross multiply
963,453.32x = 1,328,817.12 × 657,776.12 - Step 4: Simplify right side
963,453.32x = 874,064,169,383.18 - Step 5: Solve for x
x = 874,064,169,383.18/963,453.32 - Step 6: Final answer
x = 907,220.05
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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.