Finding the Fourth Proportional to 809,783.84, 1,117,501.80 and 452,087.84
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Solution
The fourth proportional to 809,783.84, 1,117,501.80 and 452,087.84 is: 623,881.28
Step by Step Solution
- Step 1: Write the proportion equation
809,783.84 : 1,117,501.80 = 452,087.84 : x - Step 2: Convert to fraction form
809,783.84/1,117,501.80 = 452,087.84/x - Step 3: Cross multiply
809,783.84x = 1,117,501.80 × 452,087.84 - Step 4: Simplify right side
809,783.84x = 505,208,974,958.11 - Step 5: Solve for x
x = 505,208,974,958.11/809,783.84 - Step 6: Final answer
x = 623,881.28
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1.5x scale
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.