Finding the Fourth Proportional to 624,890.18, 862,349.28 and 338,410.76
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Solution
The fourth proportional to 624,890.18, 862,349.28 and 338,410.76 is: 467,007.30
Step by Step Solution
- Step 1: Write the proportion equation
624,890.18 : 862,349.28 = 338,410.76 : x - Step 2: Convert to fraction form
624,890.18/862,349.28 = 338,410.76/x - Step 3: Cross multiply
624,890.18x = 862,349.28 × 338,410.76 - Step 4: Simplify right side
624,890.18x = 291,828,275,230.25 - Step 5: Solve for x
x = 291,828,275,230.25/624,890.18 - Step 6: Final answer
x = 467,007.30
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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.