Finding the Fourth Proportional to 703,784.25, 972,024.30 and 477,036.09
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Solution
The fourth proportional to 703,784.25, 972,024.30 and 477,036.09 is: 658,853.44
Step by Step Solution
- Step 1: Write the proportion equation
703,784.25 : 972,024.30 = 477,036.09 : x - Step 2: Convert to fraction form
703,784.25/972,024.30 = 477,036.09/x - Step 3: Cross multiply
703,784.25x = 972,024.30 × 477,036.09 - Step 4: Simplify right side
703,784.25x = 463,690,671,456.99 - Step 5: Solve for x
x = 463,690,671,456.99/703,784.25 - Step 6: Final answer
x = 658,853.44
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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.