Finding the Fourth Proportional to 830,712.93, 1,246,069.25 and 199,626.75
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Solution
The fourth proportional to 830,712.93, 1,246,069.25 and 199,626.75 is: 299,440.08
Step by Step Solution
- Step 1: Write the proportion equation
830,712.93 : 1,246,069.25 = 199,626.75 : x - Step 2: Convert to fraction form
830,712.93/1,246,069.25 = 199,626.75/x - Step 3: Cross multiply
830,712.93x = 1,246,069.25 × 199,626.75 - Step 4: Simplify right side
830,712.93x = 248,748,747,423.96 - Step 5: Solve for x
x = 248,748,747,423.96/830,712.93 - Step 6: Final answer
x = 299,440.08
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1.5x scale
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.