Finding the Fourth Proportional to 697,385.48, 1,046,481.78 and 292,541.42
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Solution
The fourth proportional to 697,385.48, 1,046,481.78 and 292,541.42 is: 438,981.42
Step by Step Solution
- Step 1: Write the proportion equation
697,385.48 : 1,046,481.78 = 292,541.42 : x - Step 2: Convert to fraction form
697,385.48/1,046,481.78 = 292,541.42/x - Step 3: Cross multiply
697,385.48x = 1,046,481.78 × 292,541.42 - Step 4: Simplify right side
697,385.48x = 306,139,265,925.33 - Step 5: Solve for x
x = 306,139,265,925.33/697,385.48 - Step 6: Final answer
x = 438,981.42
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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.