Finding the Fourth Proportional to 740,282.37, 1,110,423.39 and 403,606.19
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Solution
The fourth proportional to 740,282.37, 1,110,423.39 and 403,606.19 is: 605,409.19
Step by Step Solution
- Step 1: Write the proportion equation
740,282.37 : 1,110,423.39 = 403,606.19 : x - Step 2: Convert to fraction form
740,282.37/1,110,423.39 = 403,606.19/x - Step 3: Cross multiply
740,282.37x = 1,110,423.39 × 403,606.19 - Step 4: Simplify right side
740,282.37x = 448,173,748,172.67 - Step 5: Solve for x
x = 448,173,748,172.67/740,282.37 - Step 6: Final answer
x = 605,409.19
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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.