Finding the Fourth Proportional to 740,395.02, 1,021,751.97 and 434,476.56
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Solution
The fourth proportional to 740,395.02, 1,021,751.97 and 434,476.56 is: 599,581.67
Step by Step Solution
- Step 1: Write the proportion equation
740,395.02 : 1,021,751.97 = 434,476.56 : x - Step 2: Convert to fraction form
740,395.02/1,021,751.97 = 434,476.56/x - Step 3: Cross multiply
740,395.02x = 1,021,751.97 × 434,476.56 - Step 4: Simplify right side
740,395.02x = 443,927,281,098.82 - Step 5: Solve for x
x = 443,927,281,098.82/740,395.02 - Step 6: Final answer
x = 599,581.67
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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.