Finding the Fourth Proportional to 881,840.08, 1,216,933.32 and 479,432.08
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Solution
The fourth proportional to 881,840.08, 1,216,933.32 and 479,432.08 is: 661,613.01
Step by Step Solution
- Step 1: Write the proportion equation
881,840.08 : 1,216,933.32 = 479,432.08 : x - Step 2: Convert to fraction form
881,840.08/1,216,933.32 = 479,432.08/x - Step 3: Cross multiply
881,840.08x = 1,216,933.32 × 479,432.08 - Step 4: Simplify right side
881,840.08x = 583,436,872,828.91 - Step 5: Solve for x
x = 583,436,872,828.91/881,840.08 - Step 6: Final answer
x = 661,613.01
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1.5x scale
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.