Finding the Fourth Proportional to 703,768.06, 972,007.05 and 463,124.93
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Solution
The fourth proportional to 703,768.06, 972,007.05 and 463,124.93 is: 639,643.55
Step by Step Solution
- Step 1: Write the proportion equation
703,768.06 : 972,007.05 = 463,124.93 : x - Step 2: Convert to fraction form
703,768.06/972,007.05 = 463,124.93/x - Step 3: Cross multiply
703,768.06x = 972,007.05 × 463,124.93 - Step 4: Simplify right side
703,768.06x = 450,160,694,675.13 - Step 5: Solve for x
x = 450,160,694,675.13/703,768.06 - Step 6: Final answer
x = 639,643.55
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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.