Finding the Fourth Proportional to 783,553.70, 1,175,460.15 and 334,489.70
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Solution
The fourth proportional to 783,553.70, 1,175,460.15 and 334,489.70 is: 501,789.87
Step by Step Solution
- Step 1: Write the proportion equation
783,553.70 : 1,175,460.15 = 334,489.70 : x - Step 2: Convert to fraction form
783,553.70/1,175,460.15 = 334,489.70/x - Step 3: Cross multiply
783,553.70x = 1,175,460.15 × 334,489.70 - Step 4: Simplify right side
783,553.70x = 393,179,312,935.46 - Step 5: Solve for x
x = 393,179,312,935.46/783,553.70 - Step 6: Final answer
x = 501,789.87
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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.