Finding the Fourth Proportional to 679,760.23, 1,019,422.07 and 224,249.08
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Solution
The fourth proportional to 679,760.23, 1,019,422.07 and 224,249.08 is: 336,301.61
Step by Step Solution
- Step 1: Write the proportion equation
679,760.23 : 1,019,422.07 = 224,249.08 : x - Step 2: Convert to fraction form
679,760.23/1,019,422.07 = 224,249.08/x - Step 3: Cross multiply
679,760.23x = 1,019,422.07 × 224,249.08 - Step 4: Simplify right side
679,760.23x = 228,604,461,329.20 - Step 5: Solve for x
x = 228,604,461,329.20/679,760.23 - Step 6: Final answer
x = 336,301.61
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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.