Finding the Fourth Proportional to 719,533.41, 992,957.58 and 397,244.13
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Solution
The fourth proportional to 719,533.41, 992,957.58 and 397,244.13 is: 548,197.71
Step by Step Solution
- Step 1: Write the proportion equation
719,533.41 : 992,957.58 = 397,244.13 : x - Step 2: Convert to fraction form
719,533.41/992,957.58 = 397,244.13/x - Step 3: Cross multiply
719,533.41x = 992,957.58 × 397,244.13 - Step 4: Simplify right side
719,533.41x = 394,446,569,994.01 - Step 5: Solve for x
x = 394,446,569,994.01/719,533.41 - Step 6: Final answer
x = 548,197.71
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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.