Finding the Fourth Proportional to 832,596.12, 1,149,012.50 and 470,084.49
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Solution
The fourth proportional to 832,596.12, 1,149,012.50 and 470,084.49 is: 648,733.45
Step by Step Solution
- Step 1: Write the proportion equation
832,596.12 : 1,149,012.50 = 470,084.49 : x - Step 2: Convert to fraction form
832,596.12/1,149,012.50 = 470,084.49/x - Step 3: Cross multiply
832,596.12x = 1,149,012.50 × 470,084.49 - Step 4: Simplify right side
832,596.12x = 540,132,952,715.70 - Step 5: Solve for x
x = 540,132,952,715.70/832,596.12 - Step 6: Final answer
x = 648,733.45
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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.