Finding the Fourth Proportional to 868,518.76, 1,199,290.02 and 653,283.88
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Solution
The fourth proportional to 868,518.76, 1,199,290.02 and 653,283.88 is: 902,083.95
Step by Step Solution
- Step 1: Write the proportion equation
868,518.76 : 1,199,290.02 = 653,283.88 : x - Step 2: Convert to fraction form
868,518.76/1,199,290.02 = 653,283.88/x - Step 3: Cross multiply
868,518.76x = 1,199,290.02 × 653,283.88 - Step 4: Simplify right side
868,518.76x = 783,476,837,510.88 - Step 5: Solve for x
x = 783,476,837,510.88/868,518.76 - Step 6: Final answer
x = 902,083.95
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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.