Finding the Fourth Proportional to 457,806.80, 687,001.80 and 268,266.80
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Solution
The fourth proportional to 457,806.80, 687,001.80 and 268,266.80 is: 402,571.07
Step by Step Solution
- Step 1: Write the proportion equation
457,806.80 : 687,001.80 = 268,266.80 : x - Step 2: Convert to fraction form
457,806.80/687,001.80 = 268,266.80/x - Step 3: Cross multiply
457,806.80x = 687,001.80 × 268,266.80 - Step 4: Simplify right side
457,806.80x = 184,299,774,480.24 - Step 5: Solve for x
x = 184,299,774,480.24/457,806.80 - Step 6: Final answer
x = 402,571.07
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1.5x scale
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.