Finding the Fourth Proportional to 785,620.08, 1,177,515.90 and 448,896.60
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Solution
The fourth proportional to 785,620.08, 1,177,515.90 and 448,896.60 is: 672,822.52
Step by Step Solution
- Step 1: Write the proportion equation
785,620.08 : 1,177,515.90 = 448,896.60 : x - Step 2: Convert to fraction form
785,620.08/1,177,515.90 = 448,896.60/x - Step 3: Cross multiply
785,620.08x = 1,177,515.90 × 448,896.60 - Step 4: Simplify right side
785,620.08x = 528,582,883,955.94 - Step 5: Solve for x
x = 528,582,883,955.94/785,620.08 - Step 6: Final answer
x = 672,822.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.