Finding the Fourth Proportional to 766,554.98, 1,149,903.54 and 260,946.09
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Solution
The fourth proportional to 766,554.98, 1,149,903.54 and 260,946.09 is: 391,443.33
Step by Step Solution
- Step 1: Write the proportion equation
766,554.98 : 1,149,903.54 = 260,946.09 : x - Step 2: Convert to fraction form
766,554.98/1,149,903.54 = 260,946.09/x - Step 3: Cross multiply
766,554.98x = 1,149,903.54 × 260,946.09 - Step 4: Simplify right side
766,554.98x = 300,062,832,640.16 - Step 5: Solve for x
x = 300,062,832,640.16/766,554.98 - Step 6: Final answer
x = 391,443.33
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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.