Finding the Fourth Proportional to 863,893.49, 1,190,226.06 and 602,001.95
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Solution
The fourth proportional to 863,893.49, 1,190,226.06 and 602,001.95 is: 829,405.95
Step by Step Solution
- Step 1: Write the proportion equation
863,893.49 : 1,190,226.06 = 602,001.95 : x - Step 2: Convert to fraction form
863,893.49/1,190,226.06 = 602,001.95/x - Step 3: Cross multiply
863,893.49x = 1,190,226.06 × 602,001.95 - Step 4: Simplify right side
863,893.49x = 716,518,402,339.96 - Step 5: Solve for x
x = 716,518,402,339.96/863,893.49 - Step 6: Final answer
x = 829,405.95
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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.