Finding the Fourth Proportional to 765,660.99, 1,056,594.19 and 426,121.95
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Solution
The fourth proportional to 765,660.99, 1,056,594.19 and 426,121.95 is: 588,038.29
Step by Step Solution
- Step 1: Write the proportion equation
765,660.99 : 1,056,594.19 = 426,121.95 : x - Step 2: Convert to fraction form
765,660.99/1,056,594.19 = 426,121.95/x - Step 3: Cross multiply
765,660.99x = 1,056,594.19 × 426,121.95 - Step 4: Simplify right side
765,660.99x = 450,237,976,601.47 - Step 5: Solve for x
x = 450,237,976,601.47/765,660.99 - Step 6: Final answer
x = 588,038.29
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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.