Finding the Fourth Proportional to 637,655.05, 879,953.26 and 351,201.79
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Solution
The fourth proportional to 637,655.05, 879,953.26 and 351,201.79 is: 484,652.57
Step by Step Solution
- Step 1: Write the proportion equation
637,655.05 : 879,953.26 = 351,201.79 : x - Step 2: Convert to fraction form
637,655.05/879,953.26 = 351,201.79/x - Step 3: Cross multiply
637,655.05x = 879,953.26 × 351,201.79 - Step 4: Simplify right side
637,655.05x = 309,041,160,028.34 - Step 5: Solve for x
x = 309,041,160,028.34/637,655.05 - Step 6: Final answer
x = 484,652.57
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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.