Finding the Fourth Proportional to 758,337.84, 1,046,512.44 and 418,811.76
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Solution
The fourth proportional to 758,337.84, 1,046,512.44 and 418,811.76 is: 577,963.66
Step by Step Solution
- Step 1: Write the proportion equation
758,337.84 : 1,046,512.44 = 418,811.76 : x - Step 2: Convert to fraction form
758,337.84/1,046,512.44 = 418,811.76/x - Step 3: Cross multiply
758,337.84x = 1,046,512.44 × 418,811.76 - Step 4: Simplify right side
758,337.84x = 438,291,716,858.29 - Step 5: Solve for x
x = 438,291,716,858.29/758,337.84 - Step 6: Final answer
x = 577,963.66
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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.