Finding the Fourth Proportional to 771,159.74, 1,064,200.14 and 431,627.99
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Solution
The fourth proportional to 771,159.74, 1,064,200.14 and 431,627.99 is: 595,646.45
Step by Step Solution
- Step 1: Write the proportion equation
771,159.74 : 1,064,200.14 = 431,627.99 : x - Step 2: Convert to fraction form
771,159.74/1,064,200.14 = 431,627.99/x - Step 3: Cross multiply
771,159.74x = 1,064,200.14 × 431,627.99 - Step 4: Simplify right side
771,159.74x = 459,338,562,064.92 - Step 5: Solve for x
x = 459,338,562,064.92/771,159.74 - Step 6: Final answer
x = 595,646.45
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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.