Finding the Fourth Proportional to 910,947.78, 1,257,478.47 and 588,684.42
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Solution
The fourth proportional to 910,947.78, 1,257,478.47 and 588,684.42 is: 812,623.95
Step by Step Solution
- Step 1: Write the proportion equation
910,947.78 : 1,257,478.47 = 588,684.42 : x - Step 2: Convert to fraction form
910,947.78/1,257,478.47 = 588,684.42/x - Step 3: Cross multiply
910,947.78x = 1,257,478.47 × 588,684.42 - Step 4: Simplify right side
910,947.78x = 740,257,983,774.44 - Step 5: Solve for x
x = 740,257,983,774.44/910,947.78 - Step 6: Final answer
x = 812,623.95
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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.