Finding the Fourth Proportional to 624,909.79, 862,445.65 and 352,995.20
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Solution
The fourth proportional to 624,909.79, 862,445.65 and 352,995.20 is: 487,173.00
Step by Step Solution
- Step 1: Write the proportion equation
624,909.79 : 862,445.65 = 352,995.20 : x - Step 2: Convert to fraction form
624,909.79/862,445.65 = 352,995.20/x - Step 3: Cross multiply
624,909.79x = 862,445.65 × 352,995.20 - Step 4: Simplify right side
624,909.79x = 304,439,177,308.24 - Step 5: Solve for x
x = 304,439,177,308.24/624,909.79 - Step 6: Final answer
x = 487,173.00
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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.