Finding the Fourth Proportional to 880,682.55, 1,215,342.09 and 536,518.46
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Solution
The fourth proportional to 880,682.55, 1,215,342.09 and 536,518.46 is: 740,395.59
Step by Step Solution
- Step 1: Write the proportion equation
880,682.55 : 1,215,342.09 = 536,518.46 : x - Step 2: Convert to fraction form
880,682.55/1,215,342.09 = 536,518.46/x - Step 3: Cross multiply
880,682.55x = 1,215,342.09 × 536,518.46 - Step 4: Simplify right side
880,682.55x = 652,053,469,538.34 - Step 5: Solve for x
x = 652,053,469,538.34/880,682.55 - Step 6: Final answer
x = 740,395.59
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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.