Finding the Fourth Proportional to 807,490.18, 1,114,330.97 and 444,905.63
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Solution
The fourth proportional to 807,490.18, 1,114,330.97 and 444,905.63 is: 613,966.75
Step by Step Solution
- Step 1: Write the proportion equation
807,490.18 : 1,114,330.97 = 444,905.63 : x - Step 2: Convert to fraction form
807,490.18/1,114,330.97 = 444,905.63/x - Step 3: Cross multiply
807,490.18x = 1,114,330.97 × 444,905.63 - Step 4: Simplify right side
807,490.18x = 495,772,122,236.36 - Step 5: Solve for x
x = 495,772,122,236.36/807,490.18 - Step 6: Final answer
x = 613,966.75
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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.