Finding the Fourth Proportional to 894,795.40, 1,234,838.78 and 507,636.96
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Solution
The fourth proportional to 894,795.40, 1,234,838.78 and 507,636.96 is: 700,550.99
Step by Step Solution
- Step 1: Write the proportion equation
894,795.40 : 1,234,838.78 = 507,636.96 : x - Step 2: Convert to fraction form
894,795.40/1,234,838.78 = 507,636.96/x - Step 3: Cross multiply
894,795.40x = 1,234,838.78 × 507,636.96 - Step 4: Simplify right side
894,795.40x = 626,849,804,369.31 - Step 5: Solve for x
x = 626,849,804,369.31/894,795.40 - Step 6: Final answer
x = 700,550.99
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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.