Finding the Fourth Proportional to 740,963.84, 1,022,531.16 and 401,432.08
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Solution
The fourth proportional to 740,963.84, 1,022,531.16 and 401,432.08 is: 553,976.85
Step by Step Solution
- Step 1: Write the proportion equation
740,963.84 : 1,022,531.16 = 401,432.08 : x - Step 2: Convert to fraction form
740,963.84/1,022,531.16 = 401,432.08/x - Step 3: Cross multiply
740,963.84x = 1,022,531.16 × 401,432.08 - Step 4: Simplify right side
740,963.84x = 410,476,810,423.61 - Step 5: Solve for x
x = 410,476,810,423.61/740,963.84 - Step 6: Final answer
x = 553,976.85
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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.