Finding the Fourth Proportional to 585,724.14, 878,342.85 and 286,117.74
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Solution
The fourth proportional to 585,724.14, 878,342.85 and 286,117.74 is: 429,057.73
Step by Step Solution
- Step 1: Write the proportion equation
585,724.14 : 878,342.85 = 286,117.74 : x - Step 2: Convert to fraction form
585,724.14/878,342.85 = 286,117.74/x - Step 3: Cross multiply
585,724.14x = 878,342.85 × 286,117.74 - Step 4: Simplify right side
585,724.14x = 251,309,471,187.16 - Step 5: Solve for x
x = 251,309,471,187.16/585,724.14 - Step 6: Final answer
x = 429,057.73
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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.