Finding the Fourth Proportional to 757,029.25, 1,134,983.35 and 457,439.68
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Solution
The fourth proportional to 757,029.25, 1,134,983.35 and 457,439.68 is: 685,820.82
Step by Step Solution
- Step 1: Write the proportion equation
757,029.25 : 1,134,983.35 = 457,439.68 : x - Step 2: Convert to fraction form
757,029.25/1,134,983.35 = 457,439.68/x - Step 3: Cross multiply
757,029.25x = 1,134,983.35 × 457,439.68 - Step 4: Simplify right side
757,029.25x = 519,186,420,429.33 - Step 5: Solve for x
x = 519,186,420,429.33/757,029.25 - Step 6: Final answer
x = 685,820.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.