Finding the Fourth Proportional to 669,181.24, 918,347.69 and 664,457.32
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Solution
The fourth proportional to 669,181.24, 918,347.69 and 664,457.32 is: 911,864.84
Step by Step Solution
- Step 1: Write the proportion equation
669,181.24 : 918,347.69 = 664,457.32 : x - Step 2: Convert to fraction form
669,181.24/918,347.69 = 664,457.32/x - Step 3: Cross multiply
669,181.24x = 918,347.69 × 664,457.32 - Step 4: Simplify right side
669,181.24x = 610,202,844,925.59 - Step 5: Solve for x
x = 610,202,844,925.59/669,181.24 - Step 6: Final answer
x = 911,864.84
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.