Finding the Fourth Proportional to 847,478.92, 1,271,754.06 and 473,747.08
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Solution
The fourth proportional to 847,478.92, 1,271,754.06 and 473,747.08 is: 710,920.07
Step by Step Solution
- Step 1: Write the proportion equation
847,478.92 : 1,271,754.06 = 473,747.08 : x - Step 2: Convert to fraction form
847,478.92/1,271,754.06 = 473,747.08/x - Step 3: Cross multiply
847,478.92x = 1,271,754.06 × 473,747.08 - Step 4: Simplify right side
847,478.92x = 602,489,772,403.15 - Step 5: Solve for x
x = 602,489,772,403.15/847,478.92 - Step 6: Final answer
x = 710,920.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.