Finding the Fourth Proportional to 809,864, 1,117,681.44 and 452,237.12
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Solution
The fourth proportional to 809,864, 1,117,681.44 and 452,237.12 is: 624,125.82
Step by Step Solution
- Step 1: Write the proportion equation
809,864 : 1,117,681.44 = 452,237.12 : x - Step 2: Convert to fraction form
809,864/1,117,681.44 = 452,237.12/x - Step 3: Cross multiply
809,864x = 1,117,681.44 × 452,237.12 - Step 4: Simplify right side
809,864x = 505,457,035,503.05 - Step 5: Solve for x
x = 505,457,035,503.05/809,864 - Step 6: Final answer
x = 624,125.82
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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.