Finding the Fourth Proportional to 972,003.74, 1,341,365.99 and 542,283.95
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Solution
The fourth proportional to 972,003.74, 1,341,365.99 and 542,283.95 is: 748,352.31
Step by Step Solution
- Step 1: Write the proportion equation
972,003.74 : 1,341,365.99 = 542,283.95 : x - Step 2: Convert to fraction form
972,003.74/1,341,365.99 = 542,283.95/x - Step 3: Cross multiply
972,003.74x = 1,341,365.99 × 542,283.95 - Step 4: Simplify right side
972,003.74x = 727,401,238,034.61 - Step 5: Solve for x
x = 727,401,238,034.61/972,003.74 - Step 6: Final answer
x = 748,352.31
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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.