Finding the Fourth Proportional to 517,998.74, 777,109.28 and 293,466.74
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Solution
The fourth proportional to 517,998.74, 777,109.28 and 293,466.74 is: 440,263.09
Step by Step Solution
- Step 1: Write the proportion equation
517,998.74 : 777,109.28 = 293,466.74 : x - Step 2: Convert to fraction form
517,998.74/777,109.28 = 293,466.74/x - Step 3: Cross multiply
517,998.74x = 777,109.28 × 293,466.74 - Step 4: Simplify right side
517,998.74x = 228,055,721,672.47 - Step 5: Solve for x
x = 228,055,721,672.47/517,998.74 - Step 6: Final answer
x = 440,263.09
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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.