Finding the Fourth Proportional to 559,803.68, 772,499.76 and 318,052.64
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Solution
The fourth proportional to 559,803.68, 772,499.76 and 318,052.64 is: 438,895.99
Step by Step Solution
- Step 1: Write the proportion equation
559,803.68 : 772,499.76 = 318,052.64 : x - Step 2: Convert to fraction form
559,803.68/772,499.76 = 318,052.64/x - Step 3: Cross multiply
559,803.68x = 772,499.76 × 318,052.64 - Step 4: Simplify right side
559,803.68x = 245,695,588,067.37 - Step 5: Solve for x
x = 245,695,588,067.37/559,803.68 - Step 6: Final answer
x = 438,895.99
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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.