Finding the Fourth Proportional to 637,977.78, 880,408.86 and 351,497.88
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Solution
The fourth proportional to 637,977.78, 880,408.86 and 351,497.88 is: 485,066.81
Step by Step Solution
- Step 1: Write the proportion equation
637,977.78 : 880,408.86 = 351,497.88 : x - Step 2: Convert to fraction form
637,977.78/880,408.86 = 351,497.88/x - Step 3: Cross multiply
637,977.78x = 880,408.86 × 351,497.88 - Step 4: Simplify right side
637,977.78x = 309,461,847,823.22 - Step 5: Solve for x
x = 309,461,847,823.22/637,977.78 - Step 6: Final answer
x = 485,066.81
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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.