Finding the Fourth Proportional to 894,868.68, 1,234,918.96 and 492,460.68
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Solution
The fourth proportional to 894,868.68, 1,234,918.96 and 492,460.68 is: 679,595.84
Step by Step Solution
- Step 1: Write the proportion equation
894,868.68 : 1,234,918.96 = 492,460.68 : x - Step 2: Convert to fraction form
894,868.68/1,234,918.96 = 492,460.68/x - Step 3: Cross multiply
894,868.68x = 1,234,918.96 × 492,460.68 - Step 4: Simplify right side
894,868.68x = 608,149,030,786.49 - Step 5: Solve for x
x = 608,149,030,786.49/894,868.68 - Step 6: Final answer
x = 679,595.84
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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.