Finding the Fourth Proportional to 645,267.80, 967,901.70 and 365,331.80
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Solution
The fourth proportional to 645,267.80, 967,901.70 and 365,331.80 is: 547,997.70
Step by Step Solution
- Step 1: Write the proportion equation
645,267.80 : 967,901.70 = 365,331.80 : x - Step 2: Convert to fraction form
645,267.80/967,901.70 = 365,331.80/x - Step 3: Cross multiply
645,267.80x = 967,901.70 × 365,331.80 - Step 4: Simplify right side
645,267.80x = 353,605,270,284.06 - Step 5: Solve for x
x = 353,605,270,284.06/645,267.80 - Step 6: Final answer
x = 547,997.70
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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.