Finding the Fourth Proportional to 603,521.54, 832,860.80 and 331,587.08
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Solution
The fourth proportional to 603,521.54, 832,860.80 and 331,587.08 is: 457,590.75
Step by Step Solution
- Step 1: Write the proportion equation
603,521.54 : 832,860.80 = 331,587.08 : x - Step 2: Convert to fraction form
603,521.54/832,860.80 = 331,587.08/x - Step 3: Cross multiply
603,521.54x = 832,860.80 × 331,587.08 - Step 4: Simplify right side
603,521.54x = 276,165,877,383.13 - Step 5: Solve for x
x = 276,165,877,383.13/603,521.54 - Step 6: Final answer
x = 457,590.75
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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.