Finding the Fourth Proportional to 894,595.96, 1,234,545.36 and 486,697.68
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Solution
The fourth proportional to 894,595.96, 1,234,545.36 and 486,697.68 is: 671,644.40
Step by Step Solution
- Step 1: Write the proportion equation
894,595.96 : 1,234,545.36 = 486,697.68 : x - Step 2: Convert to fraction form
894,595.96/1,234,545.36 = 486,697.68/x - Step 3: Cross multiply
894,595.96x = 1,234,545.36 × 486,697.68 - Step 4: Simplify right side
894,595.96x = 600,850,362,566.77 - Step 5: Solve for x
x = 600,850,362,566.77/894,595.96 - Step 6: Final answer
x = 671,644.40
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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.