Finding the Fourth Proportional to 894,327.06, 1,234,187.28 and 486,437.88
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Solution
The fourth proportional to 894,327.06, 1,234,187.28 and 486,437.88 is: 671,292.94
Step by Step Solution
- Step 1: Write the proportion equation
894,327.06 : 1,234,187.28 = 486,437.88 : x - Step 2: Convert to fraction form
894,327.06/1,234,187.28 = 486,437.88/x - Step 3: Cross multiply
894,327.06x = 1,234,187.28 × 486,437.88 - Step 4: Simplify right side
894,327.06x = 600,355,444,006.17 - Step 5: Solve for x
x = 600,355,444,006.17/894,327.06 - Step 6: Final answer
x = 671,292.94
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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.