Finding the Fourth Proportional to 570,286.93, 786,942.63 and 340,798.68
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Solution
The fourth proportional to 570,286.93, 786,942.63 and 340,798.68 is: 470,270.31
Step by Step Solution
- Step 1: Write the proportion equation
570,286.93 : 786,942.63 = 340,798.68 : x - Step 2: Convert to fraction form
570,286.93/786,942.63 = 340,798.68/x - Step 3: Cross multiply
570,286.93x = 786,942.63 × 340,798.68 - Step 4: Simplify right side
570,286.93x = 268,189,009,539.73 - Step 5: Solve for x
x = 268,189,009,539.73/570,286.93 - Step 6: Final answer
x = 470,270.31
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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.