Finding the Fourth Proportional to 849,515.99, 1,172,340.34 and 467,551.58
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Solution
The fourth proportional to 849,515.99, 1,172,340.34 and 467,551.58 is: 645,225.73
Step by Step Solution
- Step 1: Write the proportion equation
849,515.99 : 1,172,340.34 = 467,551.58 : x - Step 2: Convert to fraction form
849,515.99/1,172,340.34 = 467,551.58/x - Step 3: Cross multiply
849,515.99x = 1,172,340.34 × 467,551.58 - Step 4: Simplify right side
849,515.99x = 548,129,571,234.16 - Step 5: Solve for x
x = 548,129,571,234.16/849,515.99 - Step 6: Final answer
x = 645,225.73
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1.5x scale
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.