Finding the Fourth Proportional to 497,906.99, 687,108.51 and 283,047.07
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Solution
The fourth proportional to 497,906.99, 687,108.51 and 283,047.07 is: 390,603.17
Step by Step Solution
- Step 1: Write the proportion equation
497,906.99 : 687,108.51 = 283,047.07 : x - Step 2: Convert to fraction form
497,906.99/687,108.51 = 283,047.07/x - Step 3: Cross multiply
497,906.99x = 687,108.51 × 283,047.07 - Step 4: Simplify right side
497,906.99x = 194,484,048,809.79 - Step 5: Solve for x
x = 194,484,048,809.79/497,906.99 - Step 6: Final answer
x = 390,603.17
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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.