Finding the Fourth Proportional to 679,032.76, 936,737.58 and 452,388.28
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Solution
The fourth proportional to 679,032.76, 936,737.58 and 452,388.28 is: 624,077.55
Step by Step Solution
- Step 1: Write the proportion equation
679,032.76 : 936,737.58 = 452,388.28 : x - Step 2: Convert to fraction form
679,032.76/936,737.58 = 452,388.28/x - Step 3: Cross multiply
679,032.76x = 936,737.58 × 452,388.28 - Step 4: Simplify right side
679,032.76x = 423,769,102,627.56 - Step 5: Solve for x
x = 423,769,102,627.56/679,032.76 - Step 6: Final answer
x = 624,077.55
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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.