Finding the Fourth Proportional to 458,763.75, 633,324.08 and 286,777.38
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Solution
The fourth proportional to 458,763.75, 633,324.08 and 286,777.38 is: 395,896.63
Step by Step Solution
- Step 1: Write the proportion equation
458,763.75 : 633,324.08 = 286,777.38 : x - Step 2: Convert to fraction form
458,763.75/633,324.08 = 286,777.38/x - Step 3: Cross multiply
458,763.75x = 633,324.08 × 286,777.38 - Step 4: Simplify right side
458,763.75x = 181,623,020,353.31 - Step 5: Solve for x
x = 181,623,020,353.31/458,763.75 - Step 6: Final answer
x = 395,896.63
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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.