Finding the Fourth Proportional to 759,564.70, 1,048,328.18 and 437,461.28
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Solution
The fourth proportional to 759,564.70, 1,048,328.18 and 437,461.28 is: 603,770.80
Step by Step Solution
- Step 1: Write the proportion equation
759,564.70 : 1,048,328.18 = 437,461.28 : x - Step 2: Convert to fraction form
759,564.70/1,048,328.18 = 437,461.28/x - Step 3: Cross multiply
759,564.70x = 1,048,328.18 × 437,461.28 - Step 4: Simplify right side
759,564.70x = 458,602,987,482.87 - Step 5: Solve for x
x = 458,602,987,482.87/759,564.70 - Step 6: Final answer
x = 603,770.80
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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.