Finding the Fourth Proportional to 764,095.41, 1,145,354.58 and 258,490.17
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Solution
The fourth proportional to 764,095.41, 1,145,354.58 and 258,490.17 is: 387,468.50
Step by Step Solution
- Step 1: Write the proportion equation
764,095.41 : 1,145,354.58 = 258,490.17 : x - Step 2: Convert to fraction form
764,095.41/1,145,354.58 = 258,490.17/x - Step 3: Cross multiply
764,095.41x = 1,145,354.58 × 258,490.17 - Step 4: Simplify right side
764,095.41x = 296,062,900,094.48 - Step 5: Solve for x
x = 296,062,900,094.48/764,095.41 - Step 6: Final answer
x = 387,468.50
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1.5x scale
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.