Finding the Fourth Proportional to 645,615.80, 967,257.30 and 552,303.80
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Solution
The fourth proportional to 645,615.80, 967,257.30 and 552,303.80 is: 827,457.88
Step by Step Solution
- Step 1: Write the proportion equation
645,615.80 : 967,257.30 = 552,303.80 : x - Step 2: Convert to fraction form
645,615.80/967,257.30 = 552,303.80/x - Step 3: Cross multiply
645,615.80x = 967,257.30 × 552,303.80 - Step 4: Simplify right side
645,615.80x = 534,219,882,367.74 - Step 5: Solve for x
x = 534,219,882,367.74/645,615.80 - Step 6: Final answer
x = 827,457.88
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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.