Finding the Fourth Proportional to 894,409.49, 1,234,315.46 and 512,510.09
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Solution
The fourth proportional to 894,409.49, 1,234,315.46 and 512,510.09 is: 707,281.32
Step by Step Solution
- Step 1: Write the proportion equation
894,409.49 : 1,234,315.46 = 512,510.09 : x - Step 2: Convert to fraction form
894,409.49/1,234,315.46 = 512,510.09/x - Step 3: Cross multiply
894,409.49x = 1,234,315.46 × 512,510.09 - Step 4: Simplify right side
894,409.49x = 632,599,122,602.69 - Step 5: Solve for x
x = 632,599,122,602.69/894,409.49 - Step 6: Final answer
x = 707,281.32
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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.