Finding the Fourth Proportional to 774,929.62, 1,069,361.76 and 435,376
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Solution
The fourth proportional to 774,929.62, 1,069,361.76 and 435,376 is: 600,795.78
Step by Step Solution
- Step 1: Write the proportion equation
774,929.62 : 1,069,361.76 = 435,376 : x - Step 2: Convert to fraction form
774,929.62/1,069,361.76 = 435,376/x - Step 3: Cross multiply
774,929.62x = 1,069,361.76 × 435,376 - Step 4: Simplify right side
774,929.62x = 465,574,445,621.76 - Step 5: Solve for x
x = 465,574,445,621.76/774,929.62 - Step 6: Final answer
x = 600,795.78
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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.