Finding the Fourth Proportional to 948,178.98, 1,308,244.10 and 560,976.08
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Solution
The fourth proportional to 948,178.98, 1,308,244.10 and 560,976.08 is: 774,003.28
Step by Step Solution
- Step 1: Write the proportion equation
948,178.98 : 1,308,244.10 = 560,976.08 : x - Step 2: Convert to fraction form
948,178.98/1,308,244.10 = 560,976.08/x - Step 3: Cross multiply
948,178.98x = 1,308,244.10 × 560,976.08 - Step 4: Simplify right side
948,178.98x = 733,893,637,555.03 - Step 5: Solve for x
x = 733,893,637,555.03/948,178.98 - Step 6: Final answer
x = 774,003.28
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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.