Finding the Fourth Proportional to 851,939.58, 1,175,637.02 and 489,108.08
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Solution
The fourth proportional to 851,939.58, 1,175,637.02 and 489,108.08 is: 674,946.42
Step by Step Solution
- Step 1: Write the proportion equation
851,939.58 : 1,175,637.02 = 489,108.08 : x - Step 2: Convert to fraction form
851,939.58/1,175,637.02 = 489,108.08/x - Step 3: Cross multiply
851,939.58x = 1,175,637.02 × 489,108.08 - Step 4: Simplify right side
851,939.58x = 575,013,565,629.12 - Step 5: Solve for x
x = 575,013,565,629.12/851,939.58 - Step 6: Final answer
x = 674,946.42
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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.