Finding the Fourth Proportional to 719,475.43, 992,816.49 and 409,295.52
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Solution
The fourth proportional to 719,475.43, 992,816.49 and 409,295.52 is: 564,793.91
Step by Step Solution
- Step 1: Write the proportion equation
719,475.43 : 992,816.49 = 409,295.52 : x - Step 2: Convert to fraction form
719,475.43/992,816.49 = 409,295.52/x - Step 3: Cross multiply
719,475.43x = 992,816.49 × 409,295.52 - Step 4: Simplify right side
719,475.43x = 406,355,341,539.13 - Step 5: Solve for x
x = 406,355,341,539.13/719,475.43 - Step 6: Final answer
x = 564,793.91
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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.