Finding the Fourth Proportional to 725,615.24, 1,001,323.49 and 398,925.87
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Solution
The fourth proportional to 725,615.24, 1,001,323.49 and 398,925.87 is: 550,503.65
Step by Step Solution
- Step 1: Write the proportion equation
725,615.24 : 1,001,323.49 = 398,925.87 : x - Step 2: Convert to fraction form
725,615.24/1,001,323.49 = 398,925.87/x - Step 3: Cross multiply
725,615.24x = 1,001,323.49 × 398,925.87 - Step 4: Simplify right side
725,615.24x = 399,453,838,650.09 - Step 5: Solve for x
x = 399,453,838,650.09/725,615.24 - Step 6: Final answer
x = 550,503.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.