Finding the Fourth Proportional to 670,636.16, 925,860.48 and 444,587.84
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Solution
The fourth proportional to 670,636.16, 925,860.48 and 444,587.84 is: 613,784.84
Step by Step Solution
- Step 1: Write the proportion equation
670,636.16 : 925,860.48 = 444,587.84 : x - Step 2: Convert to fraction form
670,636.16/925,860.48 = 444,587.84/x - Step 3: Cross multiply
670,636.16x = 925,860.48 × 444,587.84 - Step 4: Simplify right side
670,636.16x = 411,626,310,944.56 - Step 5: Solve for x
x = 411,626,310,944.56/670,636.16 - Step 6: Final answer
x = 613,784.84
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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.