Finding the Fourth Proportional to 852,459.70, 1,176,391.98 and 470,483.76
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Solution
The fourth proportional to 852,459.70, 1,176,391.98 and 470,483.76 is: 649,266.26
Step by Step Solution
- Step 1: Write the proportion equation
852,459.70 : 1,176,391.98 = 470,483.76 : x - Step 2: Convert to fraction form
852,459.70/1,176,391.98 = 470,483.76/x - Step 3: Cross multiply
852,459.70x = 1,176,391.98 × 470,483.76 - Step 4: Simplify right side
852,459.70x = 553,473,321,984.25 - Step 5: Solve for x
x = 553,473,321,984.25/852,459.70 - Step 6: Final answer
x = 649,266.26
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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.