Finding the Fourth Proportional to 700,914.79, 967,261.44 and 378,624.79
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Solution
The fourth proportional to 700,914.79, 967,261.44 and 378,624.79 is: 522,501.69
Step by Step Solution
- Step 1: Write the proportion equation
700,914.79 : 967,261.44 = 378,624.79 : x - Step 2: Convert to fraction form
700,914.79/967,261.44 = 378,624.79/x - Step 3: Cross multiply
700,914.79x = 967,261.44 × 378,624.79 - Step 4: Simplify right side
700,914.79x = 366,229,159,595.10 - Step 5: Solve for x
x = 366,229,159,595.10/700,914.79 - Step 6: Final answer
x = 522,501.69
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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.