Finding the Fourth Proportional to 894,778.98, 1,234,776.68 and 486,888.90
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Solution
The fourth proportional to 894,778.98, 1,234,776.68 and 486,888.90 is: 671,896.72
Step by Step Solution
- Step 1: Write the proportion equation
894,778.98 : 1,234,776.68 = 486,888.90 : x - Step 2: Convert to fraction form
894,778.98/1,234,776.68 = 486,888.90/x - Step 3: Cross multiply
894,778.98x = 1,234,776.68 × 486,888.90 - Step 4: Simplify right side
894,778.98x = 601,199,059,470.85 - Step 5: Solve for x
x = 601,199,059,470.85/894,778.98 - Step 6: Final answer
x = 671,896.72
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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.