Finding the Fourth Proportional to 955,444.06, 1,433,354.01 and 315,721.99
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Solution
The fourth proportional to 955,444.06, 1,433,354.01 and 315,721.99 is: 473,645.08
Step by Step Solution
- Step 1: Write the proportion equation
955,444.06 : 1,433,354.01 = 315,721.99 : x - Step 2: Convert to fraction form
955,444.06/1,433,354.01 = 315,721.99/x - Step 3: Cross multiply
955,444.06x = 1,433,354.01 × 315,721.99 - Step 4: Simplify right side
955,444.06x = 452,541,380,411.68 - Step 5: Solve for x
x = 452,541,380,411.68/955,444.06 - Step 6: Final answer
x = 473,645.08
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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.