Finding the Fourth Proportional to 905,639.62, 1,249,283.46 and 735,578.50
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Solution
The fourth proportional to 905,639.62, 1,249,283.46 and 735,578.50 is: 1,014,692.86
Step by Step Solution
- Step 1: Write the proportion equation
905,639.62 : 1,249,283.46 = 735,578.50 : x - Step 2: Convert to fraction form
905,639.62/1,249,283.46 = 735,578.50/x - Step 3: Cross multiply
905,639.62x = 1,249,283.46 × 735,578.50 - Step 4: Simplify right side
905,639.62x = 918,946,053,764.01 - Step 5: Solve for x
x = 918,946,053,764.01/905,639.62 - Step 6: Final answer
x = 1,014,692.86
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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.