Finding the Fourth Proportional to 659,448.28, 909,703.74 and 417,322.84
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Solution
The fourth proportional to 659,448.28, 909,703.74 and 417,322.84 is: 575,693.59
Step by Step Solution
- Step 1: Write the proportion equation
659,448.28 : 909,703.74 = 417,322.84 : x - Step 2: Convert to fraction form
659,448.28/909,703.74 = 417,322.84/x - Step 3: Cross multiply
659,448.28x = 909,703.74 × 417,322.84 - Step 4: Simplify right side
659,448.28x = 379,640,148,335.42 - Step 5: Solve for x
x = 379,640,148,335.42/659,448.28 - Step 6: Final answer
x = 575,693.59
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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.