Finding the Fourth Proportional to 725,818.07, 1,001,684.99 and 435,440.54
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Solution
The fourth proportional to 725,818.07, 1,001,684.99 and 435,440.54 is: 600,941.58
Step by Step Solution
- Step 1: Write the proportion equation
725,818.07 : 1,001,684.99 = 435,440.54 : x - Step 2: Convert to fraction form
725,818.07/1,001,684.99 = 435,440.54/x - Step 3: Cross multiply
725,818.07x = 1,001,684.99 × 435,440.54 - Step 4: Simplify right side
725,818.07x = 436,174,256,548.31 - Step 5: Solve for x
x = 436,174,256,548.31/725,818.07 - Step 6: Final answer
x = 600,941.58
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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.