Finding the Fourth Proportional to 847,169.05, 1,169,113.61 and 460,000.79
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Solution
The fourth proportional to 847,169.05, 1,169,113.61 and 460,000.79 is: 634,812.12
Step by Step Solution
- Step 1: Write the proportion equation
847,169.05 : 1,169,113.61 = 460,000.79 : x - Step 2: Convert to fraction form
847,169.05/1,169,113.61 = 460,000.79/x - Step 3: Cross multiply
847,169.05x = 1,169,113.61 × 460,000.79 - Step 4: Simplify right side
847,169.05x = 537,793,184,199.75 - Step 5: Solve for x
x = 537,793,184,199.75/847,169.05 - Step 6: Final answer
x = 634,812.12
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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.