Finding the Fourth Proportional to 930,626.80, 1,283,937.84 and 608,525.44
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Solution
The fourth proportional to 930,626.80, 1,283,937.84 and 608,525.44 is: 839,551.19
Step by Step Solution
- Step 1: Write the proportion equation
930,626.80 : 1,283,937.84 = 608,525.44 : x - Step 2: Convert to fraction form
930,626.80/1,283,937.84 = 608,525.44/x - Step 3: Cross multiply
930,626.80x = 1,283,937.84 × 608,525.44 - Step 4: Simplify right side
930,626.80x = 781,308,839,018.65 - Step 5: Solve for x
x = 781,308,839,018.65/930,626.80 - Step 6: Final answer
x = 839,551.19
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1.5x scale
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.