Finding the Fourth Proportional to 894,377.16, 1,234,240.47 and 512,625.36
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Solution
The fourth proportional to 894,377.16, 1,234,240.47 and 512,625.36 is: 707,422.99
Step by Step Solution
- Step 1: Write the proportion equation
894,377.16 : 1,234,240.47 = 512,625.36 : x - Step 2: Convert to fraction form
894,377.16/1,234,240.47 = 512,625.36/x - Step 3: Cross multiply
894,377.16x = 1,234,240.47 × 512,625.36 - Step 4: Simplify right side
894,377.16x = 632,702,965,260.32 - Step 5: Solve for x
x = 632,702,965,260.32/894,377.16 - Step 6: Final answer
x = 707,422.99
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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.