Finding the Fourth Proportional to 894,800.96, 1,234,800.96 and 492,392.96
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Solution
The fourth proportional to 894,800.96, 1,234,800.96 and 492,392.96 is: 679,488.88
Step by Step Solution
- Step 1: Write the proportion equation
894,800.96 : 1,234,800.96 = 492,392.96 : x - Step 2: Convert to fraction form
894,800.96/1,234,800.96 = 492,392.96/x - Step 3: Cross multiply
894,800.96x = 1,234,800.96 × 492,392.96 - Step 4: Simplify right side
894,800.96x = 608,007,299,705.24 - Step 5: Solve for x
x = 608,007,299,705.24/894,800.96 - Step 6: Final answer
x = 679,488.88
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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.