Finding the Fourth Proportional to 692,226.57, 955,270.77 and 386,299.70
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Solution
The fourth proportional to 692,226.57, 955,270.77 and 386,299.70 is: 533,092.52
Step by Step Solution
- Step 1: Write the proportion equation
692,226.57 : 955,270.77 = 386,299.70 : x - Step 2: Convert to fraction form
692,226.57/955,270.77 = 386,299.70/x - Step 3: Cross multiply
692,226.57x = 955,270.77 × 386,299.70 - Step 4: Simplify right side
692,226.57x = 369,020,809,227.06 - Step 5: Solve for x
x = 369,020,809,227.06/692,226.57 - Step 6: Final answer
x = 533,092.52
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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.