Finding the Fourth Proportional to 865,742.40, 1,194,701.58 and 483,772.32
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Solution
The fourth proportional to 865,742.40, 1,194,701.58 and 483,772.32 is: 667,592.99
Step by Step Solution
- Step 1: Write the proportion equation
865,742.40 : 1,194,701.58 = 483,772.32 : x - Step 2: Convert to fraction form
865,742.40/1,194,701.58 = 483,772.32/x - Step 3: Cross multiply
865,742.40x = 1,194,701.58 × 483,772.32 - Step 4: Simplify right side
865,742.40x = 577,963,555,064.27 - Step 5: Solve for x
x = 577,963,555,064.27/865,742.40 - Step 6: Final answer
x = 667,592.99
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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.