Finding the Fourth Proportional to 559,786.44, 772,477.38 and 318,037.08
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Solution
The fourth proportional to 559,786.44, 772,477.38 and 318,037.08 is: 438,875.32
Step by Step Solution
- Step 1: Write the proportion equation
559,786.44 : 772,477.38 = 318,037.08 : x - Step 2: Convert to fraction form
559,786.44/772,477.38 = 318,037.08/x - Step 3: Cross multiply
559,786.44x = 772,477.38 × 318,037.08 - Step 4: Simplify right side
559,786.44x = 245,676,450,301.25 - Step 5: Solve for x
x = 245,676,450,301.25/559,786.44 - Step 6: Final answer
x = 438,875.32
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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.