Finding the Fourth Proportional to 963,630.18, 1,329,764.85 and 528,044.94
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Solution
The fourth proportional to 963,630.18, 1,329,764.85 and 528,044.94 is: 728,677.47
Step by Step Solution
- Step 1: Write the proportion equation
963,630.18 : 1,329,764.85 = 528,044.94 : x - Step 2: Convert to fraction form
963,630.18/1,329,764.85 = 528,044.94/x - Step 3: Cross multiply
963,630.18x = 1,329,764.85 × 528,044.94 - Step 4: Simplify right side
963,630.18x = 702,175,600,432.36 - Step 5: Solve for x
x = 702,175,600,432.36/963,630.18 - Step 6: Final answer
x = 728,677.47
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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.