Finding the Fourth Proportional to 610,674.99, 842,832.36 and 338,830.35
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Solution
The fourth proportional to 610,674.99, 842,832.36 and 338,830.35 is: 467,641.85
Step by Step Solution
- Step 1: Write the proportion equation
610,674.99 : 842,832.36 = 338,830.35 : x - Step 2: Convert to fraction form
610,674.99/842,832.36 = 338,830.35/x - Step 3: Cross multiply
610,674.99x = 842,832.36 × 338,830.35 - Step 4: Simplify right side
610,674.99x = 285,577,183,530.13 - Step 5: Solve for x
x = 285,577,183,530.13/610,674.99 - Step 6: Final answer
x = 467,641.85
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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.