Finding the Fourth Proportional to 717,088.08, 989,573.58 and 394,791.51
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Solution
The fourth proportional to 717,088.08, 989,573.58 and 394,791.51 is: 544,807.90
Step by Step Solution
- Step 1: Write the proportion equation
717,088.08 : 989,573.58 = 394,791.51 : x - Step 2: Convert to fraction form
717,088.08/989,573.58 = 394,791.51/x - Step 3: Cross multiply
717,088.08x = 989,573.58 × 394,791.51 - Step 4: Simplify right side
717,088.08x = 390,675,247,904.31 - Step 5: Solve for x
x = 390,675,247,904.31/717,088.08 - Step 6: Final answer
x = 544,807.90
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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.