Finding the Fourth Proportional to 703,605.36, 971,079.64 and 445,506.30
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Solution
The fourth proportional to 703,605.36, 971,079.64 and 445,506.30 is: 614,864.70
Step by Step Solution
- Step 1: Write the proportion equation
703,605.36 : 971,079.64 = 445,506.30 : x - Step 2: Convert to fraction form
703,605.36/971,079.64 = 445,506.30/x - Step 3: Cross multiply
703,605.36x = 971,079.64 × 445,506.30 - Step 4: Simplify right side
703,605.36x = 432,622,097,421.73 - Step 5: Solve for x
x = 432,622,097,421.73/703,605.36 - Step 6: Final answer
x = 614,864.70
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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.