Finding the Fourth Proportional to 932,953.70, 1,397,356.95 and 808,537.70
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Solution
The fourth proportional to 932,953.70, 1,397,356.95 and 808,537.70 is: 1,211,009.48
Step by Step Solution
- Step 1: Write the proportion equation
932,953.70 : 1,397,356.95 = 808,537.70 : x - Step 2: Convert to fraction form
932,953.70/1,397,356.95 = 808,537.70/x - Step 3: Cross multiply
932,953.70x = 1,397,356.95 × 808,537.70 - Step 4: Simplify right side
932,953.70x = 1,129,815,774,432.01 - Step 5: Solve for x
x = 1,129,815,774,432.01/932,953.70 - Step 6: Final answer
x = 1,211,009.48
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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.