Finding the Fourth Proportional to 624,657.63, 862,027.83 and 338,177.73
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Solution
The fourth proportional to 624,657.63, 862,027.83 and 338,177.73 is: 466,685.43
Step by Step Solution
- Step 1: Write the proportion equation
624,657.63 : 862,027.83 = 338,177.73 : x - Step 2: Convert to fraction form
624,657.63/862,027.83 = 338,177.73/x - Step 3: Cross multiply
624,657.63x = 862,027.83 × 338,177.73 - Step 4: Simplify right side
624,657.63x = 291,518,614,746.23 - Step 5: Solve for x
x = 291,518,614,746.23/624,657.63 - Step 6: Final answer
x = 466,685.43
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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.