Finding the Fourth Proportional to 759,688.14, 1,048,692.44 and 473,349.70
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Solution
The fourth proportional to 759,688.14, 1,048,692.44 and 473,349.70 is: 653,423.72
Step by Step Solution
- Step 1: Write the proportion equation
759,688.14 : 1,048,692.44 = 473,349.70 : x - Step 2: Convert to fraction form
759,688.14/1,048,692.44 = 473,349.70/x - Step 3: Cross multiply
759,688.14x = 1,048,692.44 × 473,349.70 - Step 4: Simplify right side
759,688.14x = 496,398,251,866.27 - Step 5: Solve for x
x = 496,398,251,866.27/759,688.14 - Step 6: Final answer
x = 653,423.72
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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.