Finding the Fourth Proportional to 756,874.06, 1,044,432.84 and 417,335.02
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Solution
The fourth proportional to 756,874.06, 1,044,432.84 and 417,335.02 is: 575,892.90
Step by Step Solution
- Step 1: Write the proportion equation
756,874.06 : 1,044,432.84 = 417,335.02 : x - Step 2: Convert to fraction form
756,874.06/1,044,432.84 = 417,335.02/x - Step 3: Cross multiply
756,874.06x = 1,044,432.84 × 417,335.02 - Step 4: Simplify right side
756,874.06x = 435,878,400,170.06 - Step 5: Solve for x
x = 435,878,400,170.06/756,874.06 - Step 6: Final answer
x = 575,892.90
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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.