Finding the Fourth Proportional to 659,102.99, 909,526.79 and 372,605.99
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Solution
The fourth proportional to 659,102.99, 909,526.79 and 372,605.99 is: 514,176.29
Step by Step Solution
- Step 1: Write the proportion equation
659,102.99 : 909,526.79 = 372,605.99 : x - Step 2: Convert to fraction form
659,102.99/909,526.79 = 372,605.99/x - Step 3: Cross multiply
659,102.99x = 909,526.79 × 372,605.99 - Step 4: Simplify right side
659,102.99x = 338,895,126,403.35 - Step 5: Solve for x
x = 338,895,126,403.35/659,102.99 - Step 6: Final answer
x = 514,176.29
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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.