Finding the Fourth Proportional to 524,291.98, 784,746.40 and 271,223.98
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Solution
The fourth proportional to 524,291.98, 784,746.40 and 271,223.98 is: 405,960.90
Step by Step Solution
- Step 1: Write the proportion equation
524,291.98 : 784,746.40 = 271,223.98 : x - Step 2: Convert to fraction form
524,291.98/784,746.40 = 271,223.98/x - Step 3: Cross multiply
524,291.98x = 784,746.40 × 271,223.98 - Step 4: Simplify right side
524,291.98x = 212,842,041,898.67 - Step 5: Solve for x
x = 212,842,041,898.67/524,291.98 - Step 6: Final answer
x = 405,960.90
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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.