Finding the Fourth Proportional to 530,342.16, 731,904.84 and 304,021.68
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Solution
The fourth proportional to 530,342.16, 731,904.84 and 304,021.68 is: 419,568.64
Step by Step Solution
- Step 1: Write the proportion equation
530,342.16 : 731,904.84 = 304,021.68 : x - Step 2: Convert to fraction form
530,342.16/731,904.84 = 304,021.68/x - Step 3: Cross multiply
530,342.16x = 731,904.84 × 304,021.68 - Step 4: Simplify right side
530,342.16x = 222,514,939,056.93 - Step 5: Solve for x
x = 222,514,939,056.93/530,342.16 - Step 6: Final answer
x = 419,568.64
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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.