Finding the Fourth Proportional to 516,210.30, 773,937.99 and 347,310.72
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Solution
The fourth proportional to 516,210.30, 773,937.99 and 347,310.72 is: 520,712.12
Step by Step Solution
- Step 1: Write the proportion equation
516,210.30 : 773,937.99 = 347,310.72 : x - Step 2: Convert to fraction form
516,210.30/773,937.99 = 347,310.72/x - Step 3: Cross multiply
516,210.30x = 773,937.99 × 347,310.72 - Step 4: Simplify right side
516,210.30x = 268,796,960,542.25 - Step 5: Solve for x
x = 268,796,960,542.25/516,210.30 - Step 6: Final answer
x = 520,712.12
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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.