Finding the Fourth Proportional to 532,401.26, 734,708.14 and 290,683.08
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Solution
The fourth proportional to 532,401.26, 734,708.14 and 290,683.08 is: 401,139.60
Step by Step Solution
- Step 1: Write the proportion equation
532,401.26 : 734,708.14 = 290,683.08 : x - Step 2: Convert to fraction form
532,401.26/734,708.14 = 290,683.08/x - Step 3: Cross multiply
532,401.26x = 734,708.14 × 290,683.08 - Step 4: Simplify right side
532,401.26x = 213,567,224,309.56 - Step 5: Solve for x
x = 213,567,224,309.56/532,401.26 - Step 6: Final answer
x = 401,139.60
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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.