Finding the Fourth Proportional to 972,242.76, 1,341,480.78 and 564,108.06
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Solution
The fourth proportional to 972,242.76, 1,341,480.78 and 564,108.06 is: 778,344.82
Step by Step Solution
- Step 1: Write the proportion equation
972,242.76 : 1,341,480.78 = 564,108.06 : x - Step 2: Convert to fraction form
972,242.76/1,341,480.78 = 564,108.06/x - Step 3: Cross multiply
972,242.76x = 1,341,480.78 × 564,108.06 - Step 4: Simplify right side
972,242.76x = 756,740,120,333.09 - Step 5: Solve for x
x = 756,740,120,333.09/972,242.76 - Step 6: Final answer
x = 778,344.82
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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.