Finding the Fourth Proportional to 724,503.66, 1,085,341.77 and 474,427.50
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Solution
The fourth proportional to 724,503.66, 1,085,341.77 and 474,427.50 is: 710,715.50
Step by Step Solution
- Step 1: Write the proportion equation
724,503.66 : 1,085,341.77 = 474,427.50 : x - Step 2: Convert to fraction form
724,503.66/1,085,341.77 = 474,427.50/x - Step 3: Cross multiply
724,503.66x = 1,085,341.77 × 474,427.50 - Step 4: Simplify right side
724,503.66x = 514,915,982,586.68 - Step 5: Solve for x
x = 514,915,982,586.68/724,503.66 - Step 6: Final answer
x = 710,715.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.