Finding the Fourth Proportional to 883,235.20, 1,326,821.10 and 847,368.40
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Solution
The fourth proportional to 883,235.20, 1,326,821.10 and 847,368.40 is: 1,272,940.97
Step by Step Solution
- Step 1: Write the proportion equation
883,235.20 : 1,326,821.10 = 847,368.40 : x - Step 2: Convert to fraction form
883,235.20/1,326,821.10 = 847,368.40/x - Step 3: Cross multiply
883,235.20x = 1,326,821.10 × 847,368.40 - Step 4: Simplify right side
883,235.20x = 1,124,306,272,593.24 - Step 5: Solve for x
x = 1,124,306,272,593.24/883,235.20 - Step 6: Final answer
x = 1,272,940.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.