Finding the Fourth Proportional to 931,613.68, 1,285,556.07 and 523,650.70
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Solution
The fourth proportional to 931,613.68, 1,285,556.07 and 523,650.70 is: 722,598.17
Step by Step Solution
- Step 1: Write the proportion equation
931,613.68 : 1,285,556.07 = 523,650.70 : x - Step 2: Convert to fraction form
931,613.68/1,285,556.07 = 523,650.70/x - Step 3: Cross multiply
931,613.68x = 1,285,556.07 × 523,650.70 - Step 4: Simplify right side
931,613.68x = 673,182,335,944.75 - Step 5: Solve for x
x = 673,182,335,944.75/931,613.68 - Step 6: Final answer
x = 722,598.17
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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.