Finding the Fourth Proportional to 608,323.80, 912,485.70 and 293,395.80
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Solution
The fourth proportional to 608,323.80, 912,485.70 and 293,395.80 is: 440,093.70
Step by Step Solution
- Step 1: Write the proportion equation
608,323.80 : 912,485.70 = 293,395.80 : x - Step 2: Convert to fraction form
608,323.80/912,485.70 = 293,395.80/x - Step 3: Cross multiply
608,323.80x = 912,485.70 × 293,395.80 - Step 4: Simplify right side
608,323.80x = 267,719,471,940.06 - Step 5: Solve for x
x = 267,719,471,940.06/608,323.80 - Step 6: Final answer
x = 440,093.70
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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.