Finding the Fourth Proportional to 771,156.74, 1,064,196 and 431,624.99
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Solution
The fourth proportional to 771,156.74, 1,064,196 and 431,624.99 is: 595,642.31
Step by Step Solution
- Step 1: Write the proportion equation
771,156.74 : 1,064,196 = 431,624.99 : x - Step 2: Convert to fraction form
771,156.74/1,064,196 = 431,624.99/x - Step 3: Cross multiply
771,156.74x = 1,064,196 × 431,624.99 - Step 4: Simplify right side
771,156.74x = 459,333,582,537.06 - Step 5: Solve for x
x = 459,333,582,537.06/771,156.74 - Step 6: Final answer
x = 595,642.31
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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.