Finding the Fourth Proportional to 536,005.98, 739,689.74 and 294,304.21
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Solution
The fourth proportional to 536,005.98, 739,689.74 and 294,304.21 is: 406,140.62
Step by Step Solution
- Step 1: Write the proportion equation
536,005.98 : 739,689.74 = 294,304.21 : x - Step 2: Convert to fraction form
536,005.98/739,689.74 = 294,304.21/x - Step 3: Cross multiply
536,005.98x = 739,689.74 × 294,304.21 - Step 4: Simplify right side
536,005.98x = 217,693,802,358.70 - Step 5: Solve for x
x = 217,693,802,358.70/536,005.98 - Step 6: Final answer
x = 406,140.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.