Finding the Fourth Proportional to 840,863.08, 1,260,544.47 and 308,259.70
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Solution
The fourth proportional to 840,863.08, 1,260,544.47 and 308,259.70 is: 462,114.55
Step by Step Solution
- Step 1: Write the proportion equation
840,863.08 : 1,260,544.47 = 308,259.70 : x - Step 2: Convert to fraction form
840,863.08/1,260,544.47 = 308,259.70/x - Step 3: Cross multiply
840,863.08x = 1,260,544.47 × 308,259.70 - Step 4: Simplify right side
840,863.08x = 388,575,060,158.86 - Step 5: Solve for x
x = 388,575,060,158.86/840,863.08 - Step 6: Final answer
x = 462,114.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.